Home

Sedan Range - JagRepair.com - Jaguar Repair Information Resource

1. Configuration 12 Cylinder 60 Vee Valve gear One camshaft per cylinder head two valves per cylinder Bore and Stroke 90 mm x 78 5 mm Displacement 5994 cc Compression ratio 11 1 Maximum power DIN 301 hp 9 5350 rpm 278 hp 5400 rpm 1994 M Y Maximum torque DIN 351 Ib ft 3750 rpm 334 Ib ft 2800 rpm 1994 M Y 6 0L V12 ENGINE 1994 MY 5 FS UN U Nec f ti NEN A Ey Low OE Ee ES er e ea 7 3 5 1 __ d INTR 3 11 Powertrain Hydra Matic 4L80 E Automatic Transmission This transmission is the same as the XJ 12 and XJ R Sedan transmission with minor revisions NOTES Engine and Transmission Packages 5 Range XJ R S V12 6 0L Engine Transmission XJ R S V12 6 0 liter Engine The XJ R S engine is based on the V12 5 3L engine with a longer piston stroke for increased dis placement and a Zytek engine management system Special intake and exhaust systems and other modifications contributed to the engine s increased performance Configuration 12 Cylinder 60 Vee Valve gear One camshaft per cylinder head two valves per cylinder Bore and Stroke 90 mm x 78 5 mm Displacement 5994 cc Compression ratio 11 1 Maximum power DIN 318 hp 9 5200 rpm
2. rect LTTE 5 1 ne enm sserse2 LTFT B2 2 1 imap Poa T T Li ee VS LLLI KPH MPH circle one VS LLLI KPH MPH circle one E gt ar TT 11 These values may be negative Please use a plus or minus sign or in the first box to indicate whether the value is positive or negative INTR 1 02 NOTES PDU Quality Report 5 87 General Information J aguar PDU Portable Diagnostic Unit is a multipurpose software driven service and diagnostic tool that is invaluable to the technician In order to continuously improve the value of PDU to the technician concems or problems relating to PDU should be reported to J aguar on the PDU Quality Report S 87 SERVICE IMPORTANT PLEASE PRINT OR TYPE ALL INFORMATION DEALER INFORMATION DEALER NAME DEALER NUMBER ORIGINATOR NAME VEHICLE INFORMATION MODEL CODE VIN DESCRIBE VEHICLE SERVICE AND OR TEST OPERATION JAGUAR PDU QUALITY REPORT DATE _ S 87 PDU INFORMATION PDU SERIAL NUMBER SOFTWARE RELEASE NUMBER AREA OF CONCERN HARDWARE SOFTWARE ENGINE MANAGEMENT TRANSMISSION CLIMATE CONTROL ANTI LOCK BRAKING
3. SHOLSIS3H SuO123 INI 5SNINHVM ANIDNA 5I23HO SHOLSIS3H SHO L INI ONIWLL NOLLINDI SHOSN3S N39AXO SHOSN3S dINAL DIVLNI YOSNAS NOLLISOd JILLOYHL 5 3NIDN3 YOSNGS 1002 NOLVZANOYH NAS HOLMIO D V pue 5 3NIDN3 NOLLVZINOuHONAS dINNd NOLLO3 Yad WVd 51 NOLLINDI 109 NOLLINDI YOSNAS LNV 1000 DAVANI gt 4 YOSNAS dWaL ind YOSNAS NOLLISOd FLLLOYHL Wolvin9dd 3unSsS3ud 1303 T3fH INTR 3 16 17 XJ 5 Range Engine Management Systems XJ 5 5 3L V12 Engine Management System 1992 MY The XJ S 5 3L Lucas Marelli 5 consists of a electronic control module for the system fuel injection and a separate control unit for the digitally controlled ignition system The system per forms many of the same functions as the later systems but uses combinations of electronic electro mechanical and vacuum sub systems for control fueling ignition and emissions control tasks XJ S On Board Diagnostics OBD I The ECM contains on board diagnostic capabilities will activate the CHECK ENGINE MIL in the instrument pack and on the trip computer display DTCs can be accessed using the following
4. lt SOUNDER INCLINATION INTRUSION SENSOR ECM ACCESSORY ACCESSORY WARNING LED SHOCK SECURITY SIE CONTROL MODULE ACCESSORY INTR 2 85 NOTES 71 Sedan Range Controls Window Operation Side Mirrors 1995 MY ON Electrical Electronic DRIVER S DOOR SWITCH PACK 1995 MY MIRROR MEMORY TOGGLE CONTROL PROGRAM BUTTON SSS SELECTOR Caen If 9 WINDOW CONTROLS REAR WINDOW ISOLATION SWITCH INTR 2 86 The driver door switch pack contains individual switches for the four power windows and a rear window isolation switch to immobilize the rear passenger door armrest switches A four posi tion toggle switch and a three position selector switch to control adjustment of the side mirrors are also in the switch pack The passenger side mirror will tilt down when the gear selector is in reverse to give the driver a view of the curb To activate this feature the mirror selector switch must be in the left or right position Move the mirror toggle switch in any direction with the ignition ON and the gear selector in reverse and the right side mirror will tilt down The mirror will return to its normal po 72 sition when reverse is disengaged or if the mirror switch is moved again NOTES Electrical Electronic Powered Seat and Mirror Memory 1995 MY ON Each front seat has three switches which control 12 way seat movement head restraint adjust ment and
5. CAMSHAFT AND AUXILIARY DRIVE AUXILIARY SHAFT OIL PUMP INTERMEDIATE SHAFT INTR 2 04 Two Camshafts The two iron camshafts run directly in the cyl inder head Each camshaft drives two valves per cylinder via bucket shaped valve lifters tappets with shim valve adjustment Single springs control the valves Camshaft and Accessory Drive A two stage duplex double row chain drive from the crankshaft operates the camshafts intermediate shaft and the auxiliary shaft The auxiliary shaft provides the drive for the cam shaft position sensor and the power steering pump The second stage three point drive operates between the intermediate shaft and the two camshafts A simplex single row chain drives the oil pump NOTES Engine and Transmission Packages Sedan Range Cooling System The cooling system consists of the following components Cross flow radiator Belt driven water pump Thermostat and housing Coolant expansion tank Viscous coupled belt driven fan Electric fan Electrically driven heater circulation pump and heater control 16 COOLING SYSTEM HEATER VALVE EXPANSION TANK RADIATOR THERMOSTAT INTR 2 05 NOTES Sedan Range Engine and Transmission Packages AJ 16 NA Engine Transmission continued ZF 4HP 24 E9 Automatic Transmission The ZF electronically controlled four speed overdrive
6. HEATER PUMP INTR 2 74 Refrigeration System The HFC R134a air conditioning system is of conventional design NOTES Climate Control Systems Air Distribution and Control Manual inputs from the climate control panel and automatic inputs from various sensors are received by the air conditioning control module A C CM Using these inputs the A C CM provides the required power outputs to drive the servos blowers and other climate control components All air passes through the A C evaporator where it is cooled The cool air bypass flap controls the temperature by routing the cold air through or around the heater core Air dis tribution is controlled by a system of servo drive flaps that allow the blended air flow to the upper lower and windshield ducts NOTES Sedan Range AIR DISTRIBUTION CENTER FACE HEATER CORE INTR 2 75 57 Sedan Range Climate Control Systems Mark IV Climate Control System Mark IV Climate Control System 1993 1994 MY This system utilizes an HFC R134a refrigerant system that is more compatible with the environ ment than the former CFC R12 refrigerant system HFC systems require components that are compatible with the refrigerant A vacuum operated engine coolant valve allows coolant circulation through heater core The refrigeration system cools the evaporator All air passes through the evaporator and is
7. 29 XJ 5 Range Electrical Electronic Electrical and Electronic Components The XJ S Range utilizes an electrical design concept that is more conventional than that of the Sedan Range vehicles Control Modules operate a number of the vehicle systems and share the convenience features of the Sedan electrical system Complete details of the XJ S electrical electronic systems can be found in the Electrical Guide for the specific vehicle Vehicle Security A full feature microprocessor controlled security system was available as an option in the 1993 model year The J aguar 19K security system provided audible and visual alarms and starter dis ablement The factory integrated security system was standard equipment from 1994 MY on XJ S RANGE SECURITY SYSTEM 1994 MY TRANSMITTER STARTER INHIBIT HEADLIGHTS FLASH LOW BEAMS B swen SIDELIGHTS FLASH gt SOUNDER DOOR LOCK OPERATION SHOCK DOOR OPEN SWITCH SENSOR OPTIONAL TRUNK OPEN SWITCH CONVENIENCE OUTPUTS HEADLIGHT LOW BEAMS ON IGNITION SWITCH POS gil WARNING LED SECURITY ECM INTR 3 29 NOTES 30 Vehicle Maintenance Vehicle Maintenance Service intervals are different depending on the Model Year of the vehicle Refer to the vehicle Passport to Service or the Administration Bulletins in Section 4 of the Admin istration Bulletin Binder for maintenance schedules J aguar also pub
8. HACS HIGH ALTITUDE CORRECTION SENSOR HO2S HEATED OXYGEN SENSOR IDLE AIR CONTROL VALVE EXHAUST PORTS Q IATS INTAKE AIR TEMPERATURE SENSOR FUELPUMP1 FUELPUMP2 KS KNOCK SENSOR MAPS MANIFOLD ABSOLUTE PRESSURE SENSOR RPM SENS ENGINE SPEED SENSOR TPS THROTTLE POSITION SENSOR RPM SENSOR P BATTERY POWER MAPS gt IGNITION SWITCHED POWER STEERING OBD MONITORING KEY TO ACRONYMS THIS PAGE RIGHT BPM CRANK SIGNAL TRANSMISSION Hos P TORQUE CONTROL TRANSMISSION FUEL 5 THROTTLE POSITION _ TRANSMISSION IGNITION SELECTOR POSITION CONTROL HO2S HEATERS wea COMPRESSOR CLUTCH OPERATION ELECTRICAL LOAD ms lt HEATED WINDSHIELDS BLOWERS HIGH SPEED SERIAL COMMUNICATIONS FUEL LEVEL gt VEHICLE SYSTEMS INTERFACE VEHICLE SPEED ENGINE SPEED FUEL INFO PRESSURE CHECK ENGINE ENGINE CONTROL MODULE INTR 2 37 28 Sedan Range Engine Management Systems 6 0L V12 ND ENGINE MANAGEMENT LOGIC YALSINVD 3ALVHOdV A3 Wwolvinoddu 55444 3nd o S31nGdOMW NOLLINDI AlddNS Tand bm 1904 9 f BI ___ 2
9. Maximum torque DIN 339 Ib ft 3750 rpm Hydra Matic 400 Three Speed Automatic Transmission The transmission fitted to the XJ R S is an upgraded version of the tested Hydra matic 400 The valve body of this three speed hydraulically controlled automatic transmission is recalibrated and the rear accumulator spring is designed to take full advantage of the XJ R S power and torque increases NOTES 13 XJ S Range 14 Engine and Transmission Packages V12 5 3L Engine Transmission V12 5 3 Liter Engine The V12 5 3L engine is constructed of light alloy and shares the design layout and features of the V12 6 0L found in the XJ 12 Sedan and XJ S Range V12 5 3 LITER ENGINE INTR 3 12 Configuration 12 Cylinder 60 Vee Valve gear One camshaft per cylinder Two valves per cylinder Bore and Stroke 90 mm x 70 mm Displacement 5343 cc Compression ratio 115 1 Maximum power DIN 261 hp 5000 rpm Maximum torque DIN 290 Ib ft 3000 rpm NOTE Horsepower and torque ratings vary slightly by model year Ratings for 1991 MY are quoted above NOTES Engine and Transmission Packages XJ S Range Hydra Matic 400 Three Speed Automatic Transmission The Hydre M atic 400 is a fully automatic three speed transmission with a three element torque converter and a compound planetary gear set Three clutch packs a sprag one way clutch one roller clutch and two bands control the planetary gear set to produce th
10. Radio security function coding f power drops below 5V the radio will display CODE and require recoding After power is restored enter the four digit radio security code with the pre set buttons If three incorrect security code entries are input the radio will display WAIT and will not accept another entry until one hour has passed with the power on Programming preset stations Manually select the station Press hold the button for 2 sec onds until the radio beeps Extra Memory X MEM Press hold the X MEM button for more than 2 seconds The radio will full scan and automatically program 6 strong stations into memory then beep Pressing X MEM again cycles the radio back to the original preprogrammed stations CD Autochanger with 6 CD magazine The radio displays the disc number and track The scan button scans the disc Disc selection is controlled in CD mode with the radio preset buttons 67 Sedan Range Electrical Electronic 68 Vehicle Security Keys Jaguar uses Tibbe style key Tibbe keys must be duplicated by Jaguar or a Jaguar dealer with special equipment Two master keys are provided Master keys have black heads The master keys operate the doors trunk and ignition One green headed key is provided for valet parking use The green headed key operated the doors and ignition only it will not open the trunk A valet switch in the center console inhibits the operation of the remote trunk releas
11. en RC ET Lc aM x PTOL s A Q AEN ij 47462 er je ws X gt DL SU TE A3 4 E SUR BC AS Sa E x Ru AX lt NOTES XJ S Range 10 Engine and Transmission Packages AJ 16 and AJ 6 Engine Transmission continued ZF 4HP 24E Automatic Transmission The ZF 24E four speed automatic transmission on the XJ S remains basically the same as the transmission used in the Sedan Range The installation of the transmission differs in the gear selector mechanism and cable the fill tube and the transmission fluid pan ZF 4HP 24E TRANSMISSION AND ROTARY SWITCH INTR 3 09 NOTES Engine and Transmission Packages Getrag 5 Speed Manual Transmission The AJ 6 was available in the 1993 and 1994 MY with 5 speed fully synchronized manual gear box coupled to the engine with a hydraulically operated single plate diaphragm clutch GETRAG 5 SPEED MANUAL TRANSMISSION en Omg INTR 3 10 Lubricating fluid Dexron II E Drain and refill 1 5 qt 1 65 liter Hydraulic fluid DOT 4 brake fluid NOTES XJ S Range 11 XJ S Range 12 Engine and Transmission Packages V12 6 0L Engine Transmission V12 6 0 Liter Engine The V12 6 0L engine fitted to XJ S Range vehicles is virtually identical to the engine of the XJ 12 Sedan Some revisions have been made to accommodate the installation
12. stamped or a tag or sticker marked with an Sedan Range NOTES FINAL DRIVE WITH POWR LOK DIFFERENTIAL qu INTR 2 63 47 48 Chassis Power Steering Power assisted rack and pinion steering provides precise control and gives the driver positive feedback from the road Hydraulic pressure is provided by an engine driven pump Oil cooling is provided by a cooler integral with the radiator Introduced with the 1995 model year an electronically controlled variable assist unit provides full power assist during parking and low speed driving As road speed increases the amount of steering assist decreases to improve the driver s feel for road conditions VARIABLE ASSIST POWER STEERING PUMP NF n Cf STEERING RACK INTR 2 64 Earlier vehicles utilized a similar system without electronically controlled variable assist and feedback NOTES Chassis Steering Columns 1995 MY ON Sedan Range vehicle steering columns are adjustable for tilt and reach Manual adjustment models use separate le vers for tilt and reach adjustment The motorized tilt reach adjustable steering column is controlled with a dual function switch on the steering column To adjust tilt push the switch up to raise the column and down t
13. 12 Majestic N XS P XR S XRS 10th CHARACTER T Sp Ed XJ S Model Year F 1985 1986 5th CHARACTER Hs 1987 Class J 1988 1989 N Canada 1996 L 1990 V Manual Active M 1991 Y Passive N 1992 W Single Airbag P 1993 X Dual Airbag R 1994 USA 1996 MY S 1995 T 1996 6th CHARACTER Body Type 9th CHARACTER 1 4 Door Sedan SWB Check Digit 2 2 Door Convertible 2 2 To be calculated for each VIN 4 2 Door Convertible May be letter or digit 5 2 Door Coupe 6 4 Door Sedan LWB 8th CHARACTER Transmission amp Steering 7th CHARACTER Engine Type 4 Automatic LH Steering 1 4 0 Litre SC 8 Manual 5 Speed 2 4 0 Litre California LH Steering 3 6 0 Litre 6 3 6 Litre 7 4 0 Litre NA 8 5 3 Litre INTR 1 06 NOTES 11 General Information Vehicle and Component Identification continued Component Identification All major components of the vehicle also have serial numbers The locations of component serial numbers can be found in the microfiche parts information 6 CYLINDER OR UNIT SERIAL NUMBER LOCATIONS NUMBER PLATE INTR 1 07 12 CYLINDER MAJ OR UNIT SERIAL NUMBER LOCATIONS INTR 1 08 NOTES 12 General Information J aguar Warranties J aguar offers comprehensive warranties for the vehicles it sells in North America Warranties for vehicles originally specified and built for the U S market are issued by J aguar
14. AV T38 dINNd 1904 B T AVIY diifd 29 Engine Management Systems 6 0L V12 Nippon Denso Engine Management System continued EMS Component Locations 1 2 3 4 5 22 23 KEY TO ILLUSTRATION 1 FUEL PUMP 1 2 FUEL LEVEL SENSOR 3 FUEL PUMP 2 4 FUEL TANK 5 VACUUM SOLENOID VALVE 6 ABSOLUTE PRESSURE SENSOR S 7 A BANK FUEL INJ ECTORS 8 ENGINE SPEED SENSOR 9 THROTTLE POSITION SENSOR TPS 10 IGNITION COIL PACK 11 B BANK FUEL FI 12 IGNITION COIL PACK 13 B BANK IDLE AIR CONTROL VALVE IACV 14 BANK EVAPORATIVE EMISSION CONTROL VALVE EVAPP 15 B BANK EVAPORATIVE EMISSION CONTROL VALVE EVAPP 16 SECONDARY AIR ECTION PUMP AIR PUMP 175 CRANKSHAFT POSITION SENSOR CKPS 18 ENGINE COOLANT TEMPERATURE SENSOR ECTS 7 Ue iA 67 8 9 61011 21 ESSI 12 eS SCA __ 2 KA 17 1415 BS D Pu 2 22 WLU VOSS 20 1918 FUEL PRESSURE REGULATOR A BANK IDLE AIR CONTROL VALVE IACV INTAKE AIR TEMPERATURE SENSOR IATS B BANK IGNITION MODULE A BANK IGNITION MODULE A BANK DOWNSTREAM HEATED OXYGEN SENSOR HO2S A BANK UPSTREAM HEATED OXYGEN SENSOR HO2S TRANSMISSION CONTROL MODULE TCM ENGINE CONTROL MODULE ECM INERTIA SWITCH CAMSHAFT POSITION SENSOR CMPS IGNITION COIL PACKS GAS FILTER S FOR MAFS B BANK MANIFOLD ABSOLUTE PRES
15. Brakes 8 1 Automatic Transmission AJ 16 76 8 2 Automatic Transmission 82 Air Conditioning Climate Control SAL IG Supercharged 9 Drive Shafts amp Final Drive 84 Windshield Wipers Washers 86 Electrical Radio 19 Seng 88 Instruments 11 Suspension Systems JDS J aguar Diagnostic System 12 Brakes PDU Portable Diagnostic Unit 19 14 Climate Control Systems 15 Electrical General Information Vehicle and Component Identification Vehicle Identification All motor vehicles are identified with a 17 character Vehicle Identification Number VIN The VIN identifies the vehicle manufacturer model equipment model year and other important informa tion about that vehicle Each character in the VIN has a unique meaning The last 6 digits of the VIN are the vehicle serial number J aguar uses these last 6 digits of the VIN the serial number in technical publications to identify vehicle application VIN RECOGNITION SAJ NY484 KC100001 1st 3 CHARACTERS 12th 17th CHARACTERS World Make Identifier Serial Number Jaguar 100001 XJ S Convertible 300001 Series III 500001 XJ 6 VDP 720001 XJ Sedan 4th CHARACTER Model Year F XJ 6 1990 92 MY 11th CHARACTER H SOV 1990 92 MY Assembly Plant XJ 6 1993 MY ON VDP Brown s Lane Sp Ed XJ
16. Cancel by turning ignition to position I or II Press release locks unlocks doors and trunk Press hold closes windows and sliding roof Ignition in position II gear selector moved from PARK locks doors and trunk Trunk door or hood open key in ignition or system error Key Remote transmitter Turn to unlock and release unlocks drivers door and fuel filler disarms and turns on interior light for 15 seconds Hold in unlock position for 2 seconds or unlock twice unlocks as above plus unlocks all doors and trunk Press small button once green indicator light unlocks drivers door and fuel filler disarms and turns on interior light for 15 seconds Cancels valet trunk lockout and recalls seat mirror steering wheel memory for that transmitter Press small button second time unlocks all other doors and trunk Press small button third time releases trunk latch Dealer Programmable Options 1995 MY e Remote panic mode e Passive arming e Headlight convenience e Audible tones e Drive away lock e Trunk release e Memory seat recall NOTES 69 70 Electrical Electronic Vehicle Security continued Security Systems continued Security System Operation 1993 1994 MY Basic operation Single button remote transmitter The security system must be switched on The switch is located in the center console Locking Remote transmitter Remote tr
17. Cars Mahwah NJ via Electronic Mail or U S Mail or FAX to 201 818 9781 State the dealer name and number the name and social security number of the enrollee and the dates locations and class titles requested J aguar will immediately respond acknowledging receipt of the enrollment information The dealer will be notified that the enrollment is con firmed or that the class is full If the class is full the dealer will be offered a choice of altemate dates altemate locations or the opportunity to be placed on a waiting list for the originally requested class J aguar Owners J aguar cars appeal to a distinctive group of people independent highly successful individuals who have achieved a substantial measure of professional and personal accomplishment They appre ciate the refined elegance and performance of the product and expect competent professional service and courteous personal treatment J aguar owners expect perfection in their cars and in service from their J aguar dealer Jaguar Owner Demographics Sedan Range XJ S Range Male 5996 63 Female 41 37 Married 89 78 Average Age 57 51 Average Income 220 000 221 000 College Graduate 66 71 NOTES General Information The J aguar Organization J aguar Cars headquartered in Mahwah NJ is responsible for sales marketing service parts and providing feedback to the parent company J aguar Cars Ltd located in Coventry England J aguar has established a highly su
18. Engine overspeed control Wide open throttle during cranking Sedan Range V12 ND FUEL ECTION PRIMARY AND SECONDARY CONTROL ENGINE LOAD ENGINE SPEED ENGINE CRANKING ENGINE COOLANT TEMP ACCELERATION FULL LOAD DECELERATION VEHICLE ELEVATION INTAKE AIR TEMP ENGINE OPERATING CONDITION ENGINE SPEED SENSOR CRANKSHAFT POSITION SENSOR CAMSHAFT POSITION SENSOR ENGINE CONTROL MODULE FUEL INJ ECTION STRATEGY PRIMARY ECTOR PULSE DURATION CLOSED LOOP AIR FUEL RATIO ENABLE CANCEL CORRECTION SEMISEQUENTIAL OR GROUPED FUEL INJ ECTION FUEL ECTOR PAIRS EXHAUST OXYGEN CONTENT ENGINE COOLANT TEMP TIME AFTER START ENGINE COOLANT TEMP INTR 2 40 NOTES 31 Sedan Range Engine Management Systems 6 0L V12 Nippon Denso Engine Management System continued ENGINE SPEED ENGINE LOAD ENGINE CRANKING ENGINE COOLANT TEMP INTAKE AIR TEMP THROTTLE MOVEMENT IDLE TRANSMISSION SHIFT COMPRESSOR OPERATION ENGINE SPEED SENSOR CRANKSHAFT POSITION SENSOR V12 ND IGNITION PRIMARY AND SECONDARY CONTROL ENGINE CONTROL MODULE IGNITION TIMING STRATEGY PRIMARY IGNITION TIMING CORRECTION FACTORS BATTERY VOLTAGE IGNITION TIMING AND SYNCHRONIZATION IGNITION COILS INTR 2 41 IGNITION COIL PACKS LOCATION N A m iN A S
19. In addition the ECM provides various interface outputs and incorporates an on board diagnostic facility The V12 ND EMS complies with OBD II on board diagnostics II the second generation envi ronmental legislation that set the maximum acceptable levels of vehicle emissions and required engine control systems with self diagnostic capabilities Nippon Denso ECM The Nippon Denso ECM controls the engine management system as two separate 6 cylinder sys tems A bank right side and B bank left side or as one 12 cylinder system depending on engine operating conditions and diagnostic functions The system provides serial communica tion for extracting DTCs interface with the transmission and other vehicle systems and limp home capability The vehicle identification number VIN is stored in ECM nonvolatile memory Adaptive values and DTCs are maintained in memory by quiescent current If the battery is dis connected the ECM will releam the adaptive values during the next driving cycle 6 0L V12 ND ENGINE MANAGEMENT LOGIC AIRP SECONDARY AIR INJ ECTION PUMP CKPS CRANKSHAFT POSITION SENSOR CMPS CAMSHAFT POSITION SENSOR BATTERY POWER gt FUEL INJECTOR ECM ENGINE CONTROL MODULE IGNITION SWITCHED POWER POWER SUPPLY ECTS ENGINE COOLANT TEMPERATURE SENSOR EVAPP EVAPORATIVE EMISSION CONTROL PURGE VALVE BATTERY POWER FI FUEL INJ ECTOR IGNITION SWITCHED POWER gt POWER SUPPLY
20. Leveling Power Hydraulics Depending on model and year some Sedan Range vehicles were available with a power hydraulic system and ride leveling for the rear suspension The system utilized an engine driven pump to provide hydraulic pressure to power ride leveling units A ride height sensor controlled the hydraulic valve block which automatically adjusted rear suspension height XJ12 Sedan up to VIN 682122 The power hydraulic system supplies pressure for the rear suspension ride leveling system only A separate reservoir supplies Hydraulic System Mineral Oil HSMO to the engine driven ride leveling pump POWER STEERING RIDE LEVELING SYSTEM 6 RIDE LEVELING POWER STEERING DEXRON Il E RIDE POWER LEVELING STEERING PUMP OX PUMP VALVE O BLOCK RIDE LEVELING ECM REAR SUSPENSION STEERING RACK E OIL COOLER FILTER RADIATOR LEFT SIDE INTR 2 58 NOTES Chassis Sedan Range Sedan Range vehicles 1990 1992 MY except XJ6 The power hydraulic system supplies hydraulic pressure for the rear suspension ride leveling system only A single reservoir supplies HSMO to both the ride leveling pump and the power steering pump POWER HYDRAULIC SYSTEM 1990 92 MY RESERVOIR RIDE LEVELING STRUTS INTR 2 59 Sedan Range vehicles 1988 1989 MY A single pump and reservoir suppl
21. SEAT MIRROR MEMORY BODY SYSTEMS DATALOGGER DIAGNOSTIC CODES DMM DIGITAL MULTIMETER OTHER DESCRIBE PDU CONCERN PLEASE FORWARD COMPLETED FORM TO JAGUAR CARS INC 555 MACARTHUR BLVD EQUIPMENT AND LITERATURE DEPARTMENT MAHWAH NEW JERSEY 07430 2327 WHITE COPY JCI YELLOW COPY JCI PINK COPY ORIGINATOR FILE INTR 1 03 NOTES General Information J aguar Service Literature J aguar offers a comprehensive Service Literature System for dealer and technician reference Service Manuals J aguar Service Manuals covering specific vehicle Ranges and model years are indexed by vehicle System The Service M anuals contain repair instructions with their corresponding Repair Opera tion Numbers 5 special tools vehicle and tightening torque specifications important safety considerations and general information J aguar manufactures vehicles for sale in more than 140 countries Because of different legislative requirements and market conditions there are differ ences in vehicle specifications for the various countries Vehicles for the US and Canada are manufactured to North American Specification NAS NAS vehicles are sometimes referred to as Federal specification vehicles Service Manuals are published for the world market therefore some systems instructions and specifications may not apply to North American Specification NAS vehicles Special S
22. can be accessed PDU or J DS serial communication with the ECM They can also be displayed on the instrument pack LCD display To display stored DTCs perform the following procedure Switch the ignition OFF wait 5 seconds Switch the ignition ON do not crank the engine Press the VCM button The CHECK ENGINE MIL will display and five seconds later the DTC will display If two or more DTCs are stored in memory only the highest priority code will be displayed Sedan Range Engine Management Systems 6 4 0L ENGINE MANAGEMENT SYSTEM FINGOW TOULNOD 3NIDN3 LN3IAQULSNI WODA YALSINVO SIWALSAS p gt SNOLLWOINNIIWOD 5 aai NOLLINDI S4013 95 NOLLINDI 7 35 MOR SY 559 3ATVA 1304 800 1 01 25 Sedan Range Engine Management Systems 6 4 0L Engine Management System continued 6 FUEL INJ ECTION PRIMARY AND SECONDARY CONTROL ENGINE CONTROL MODULE ENGINE LOAD FUEL INJ ECTION MAFS STRATEGY ENGINE SPEED CKPS PRIMARY INJ ECTOR PULSE DURATION SOR EXHAUST OXYGEN AIR FUEL CONTENT RATIO 025 COOLANT TEMP ENABLE CANCEL ECTS ACCELERATION COOLANT TEMP TPS IACTS FULL LOAD TPS FACTORS DECELERATION TPS BATTERY VOLTAGE EE
23. in automatic mode With the blower control set to defrost the system provides full heat and air to the windshield Switches the system off and seals the vents 1 Low blower speed range variable depending on temperature differential between in car and requested 2 Automatically varies blower speed through a wide range blower speed reduces as the set temperature is approached 3 Constant maximum blower speed DEFROST Maximum airflow at maximum temperature to the windshield all other controls are overridden 2 DEMIST Bleeds air to the windshield vents 3 RECIRCULATION Closes outside vents and recirculates air within the car 4 TEMPERATURE DIFFERENTIAL Adjusts the temperature difference between the face and footwell vents 5 MANUAL Vent outlet temperature is controlled to the temperature selected 6 A C ON Switches on the air conditioning compressor 7 TEMPERATURE CONTROL Rotate to select the temperature desired Climate Control Systems XJ S Mk Ill Climate Control System up to 1994 MY The control panel uses potentiometers and switches to control temperature selection and mode control A cable from temperature differential slider controls face vent temperature TYPICAL CLIMATE CONTROL PANEL UP TO 1994 MY i 1 1 INTR 3 24 Controls 1 TEMPERATURE CONTROL Rotate to select the temperature desired With the knob pushed in Automatically achieves and maintains the in car temperat
24. procedure Switch the ignition OFF then ON The CHECK ENGINE MIL will light and the DTC will appear five seconds later If two or more DTCs are memory only the highest priority code will be displayed The remain ing codes will be displayed in tum as the faults are corrected and erased from memory DTCs can also be accessed through PDU DS which will access additional information asso ciated with any DTC to assist in diagnosis TYPICAL 12 5 3 LITER IGNITION SYSTEM CONTROL LOGIC IDLE SWITCH IGNITION COILS AIR POWER TEMPERATURE MODULES SWITCH ENGINE SPEED SENSOR IGNITION ECM MAN ABSOLUTE PRESSURE SENS BATTERY VOLTAGE IGNITION SWITCH INTR 2 42 NOTES 18 XJ 5 Range Engine Management Systems TYPICAL V12 5 3 LITER FUEL INJ ECTION AND EMISSION CONTROL LOGIC SHOLSIS3H 33 5 ANIDNA 5351 SHOSN3S N39AXO YOSNAS diN3 L 35IV LNI HOSN3S 5 3 11LOHH L aLn1osav unes HOSN3S diN 3L INV 1009 LSNVHXA4 A SHOSN3S N39AXO W23 dnd 5 e HOLIMS VILH3NI 95 St FATWA OVA 4 GlON310S HIV 3ATVA OVA 1 705 1 15 LOH Oravd TWH LNAN HO10313S iv
25. seat lumbar support adjustment The driver door switch pack can control three memory settings for seats mirrors and powered steering column adjustment To program the memory recall the key must be in the ignition and the seat mirrors and steering column adjusted Push the memory button on the driver door switch pack The memory button light will come on for four seconds Press the selected memory but ton on the driver door switch pack to store the current positions in that memory location The memory recall will not work or will stop operation if e the vehicle is moving e the brake pedal is pressed e the seat mirror or memory buttons are pushed Two memory settings can be PDU programmed for recall by the two security system remote transmitters so that unlocking the vehicle or disarming with a transmitter will select the memory position assigned to that transmitter Entry exit mode An automatic feature for the driver position will move the seat and steering wheel to ease en try and exit from the vehicle optional on XJ6 This feature is selected by turning the steering column adjustment switch to AUTO When the key is inserted in the ignition or the driver door is closed with the key in the ignition the seat and steering column will return to their last memo rized positions Automatic seat movement can immediately be stopped by touching the brake pedal or a seat control switch To stop steering column movement move the steering colum
26. the cen ter of the front suspension subframe Use a wood block or pad to prevent damage to the subframe At the rear jack at the center of the final drive skid plate with a wood block or pad to prevent damage To jack one wheel jack under the center of the front spring pan with a wood block or pad on the jack CAUTION Do not jack on the front A arm or the rear wishbone NOTES Chassis Suspension Sedan Range vehicles employ unequal length A arms arranged to provide an anti dive effect under braking and anti squat during acceleration All suspension loads except the shock ab sorber are fed into a subframe that is isolated from the body by rubber bushings Sedan Range SEDAN RANGE FRONT SUSPENSION INTR 2 52 NOTES 41 Sedan Range Chassis Suspension continued Front Suspension Both A arms are two piece steel forgings The upper arm incorporates shims at the ball joint for caster adjustment There is no adjustment for camber SEDAN RANGE FRONT SUSPENSION COMPONENTS CASTER SHIMS N QE A INTR 2 53 XJ12 SEDAN FRONT SUSPENSION The forged steel hub carrier has a pressed fit stub axle The hub carrier pivots on nonadjust able sealed ball joints The color coded road springs are installed with matching packings Front toe is adjusted by turning the steering tie rods The steering rack must be centered and the vehicle
27. timing angle from one of 256 sites in its memory based on engine load information from the mass air flow sensor MAFS and engine speed information from the crankshaft position sensor CKPS Ignition Secondary Control Secondary ignition control adjusts the ignition timing to compensate for the following engine and vehicle operating conditions ntake air and engine coolant temperature Closed throttle idle correction Transmission shift e Full load correction Battery voltage correction Knock control NOTES Engine Management Systems idle Control Idle is regulated by air control and ignition timing The throttle body incorporates the engine throttle a fixed idle air bypass an idle air con trol valve IACV and a fixed throttle position sensor TPS The driven IACV provides a variable idle air bypass enabling ECM idle air control The ECM also anticipates engine load changes based on inputs signaling gear selector position A C clutch operation and increased electrical requirements and compensates for the load changes by adjusting the IACV Adaptive Idle Fuel Metering The ECM makes baseline fuel metering corrections throughout the life of the vehicle to compen sate for minor engine mechanical variability and engine aging The adaption values are held in IDLE AIR CONTROL VALVE IACV INTR 2 22 nonvolatile memory and will be retained even if the battery is disconnected
28. transmission functions resulting in precise and consis tent shift quality POWERTRAIN 4L80E AUTOMATIC TRANSMISSION 5 mu E Lf INTR 2 11 Lubricating fluid Dexron II E Approx capacity from dry 13 5 qt 12 8 liters Drain and refill 7 7 qt 7 3 liters The 41 80 transmission shares the gearshift interlock system and NORMAL and SPORT mode selection features of the ZF 24 E9 equipped vehicles Refer to pages 8 9 NOTES Engine and Transmission Packages AJ 6 Engine Transmission Sedan Range 64 04 Engine The 6 4 0 liter engine was introduced in the 1990 model year Earlier versions were of 3 6 displacement The AJ 6 series of en gines is similar in design concept to the AJ 16 engine They are both light alloy double over head camshaft engines with four valves per cylinder Although most engine repair proce dures are the same for AJ 6 and AJ 16 engines components are not interchangeable AJ 6 4 0 LITER ENGINE INTR 2 12 Configuration Six cylinder in line Valve gear Two overhead camshafts four valves per cylinder Bore and Stroke 91 x 102 mm 3 558 x 4 02 in Displacement 3980 cc 234 cu in Compression ratio 95 1 Maximum power DIN 219 hp 94750 rpm Maximum torque DIN 273 lb ft 3650 rpm Maximum engine speed 5500 rpm ZF 4HP 24 E9 Automatic Transmission Model year variations to t
29. unrestrained position In reverse with the drivers door open and the ignition in position 2 or 3 the belt remains in the restrained position If the inertia switch trips with the ignition on the belts will remain restrained and the doors will unlock An emergency release is provided on the shoulder end of the diagonal belt Front Seat Belts TEAR LOOP SEAT BELT WARNING LABEL Front seats are equipped with three point seat belts with adjustable shoulder anchor points To reduce driver and front seat passenger chest loads in air bag SRS equipped vehicles in the event of a collision tear loop units on the air bag equipped positions absorb energy as the occupant travels forward into the air bag The tear loops are on the driver out board belt anchorage and the passenger seat belt buckle Do not interchange seat belts Use only the correct belt for the restraint sys tem and position If the tear loop waming label is visible the belt assembly must be replaced INTR 3 26 NOTES XJ S Range 27 XJ S Range 28 Electrical Electronic Electrical Electronic Controls Powered Seat and Mirror Memory The power adjustable front seats include lumbar support and heaters The seat controls are located on the respective door trim panels Two sets of driver seat and door mirror positions may be programmed into memory with the ignition in positions I or II To program the seat and mirrors first adjust to th
30. used for the glove box Waming and service labels are placed in the vehicle and on the components so they can be readily identified WARNING Do not attempt service or maintenance work on the air bag SRS system without J aguar specific tools equipment and service procedures Do not remove the steering column or steering wheel from the vehide without first disarming the air bag Do not remove an air bag without first disarming Observe all safety precautions when work ing with air bags XJ S AIR BAG LOCATIONS ___ WARNING LABEL LOCATIONS DRIVER AIR BAG MODULE PASSENGER AIR BAG MODULE INTR 3 25 Occupant Protection Passive Restraints The passive restraint system is provided for the driver and front passenger The system consists of a two position adjustable diagonal seat belt fed from an inertia reel mounted on the inside seat Slide The diagonal belt is connected to a motorized runner on the upper door opening An in dependent lap belt fed from an inertia reel mounted on the outside seat slide connects manually to the anchor on the inside seat slide The motorized diagonal belts move to restrained position when the respective front door is closed and the ignition is tumed to position 2 or 3 The passenger belt operates with the seat empty Both belts move to the unrestrained position when the ignition is tumed to position 1 or off If a front door is opened with the ignition in position 2 that belt will move to the
31. x 102 mm 3 558 x 4 02 in Displacement 3980 cc 234 cu in Supercharger boost 10 2 psi 9 2750 rpm Compression ratio 85 1 Maximum power DIN 322 hp 9 5000 rpm Maximum torque DIN 378 Ib ft 3050 rpm Maximum engine speed 5500 rpm NOTES 10 Engine and Transmission Packages Sedan Range Supercharger System An air to liquid intercooler controls intake air temperature The intercooler uses a separate cooling system with an electrically driven coolant pump but shares engine coolant through a bleed 16 SUPERCHARGER SYSTEM BYPASS VALVE SUPERCHARGER INTERCOOLER INTR 2 10 NOTES 11 Sedan Range Engine and Transmission Packages 12 AJ 16 SC Engine Transmission continued Powertrain Hydra Matic 4L80 E Automatic Transmission The Powertrain transmission is packaged with the AJ 16 4 0L SC engine to accommodate the increased torque characteristics of the supercharged engine The 4L80 E is an electronically controlled four speed automatic transmission It utilizes a trans mission control module to control shift points Sensors and switches provide engine transmission and vehicle operating information to the TCM The TCM also controls the torque converter clutch lockup clutch and release and apply line pressure Inputs from sensors and switches provide engine transmission and vehicle operating information to the TCM The TCM determines the exact moment to control
32. 12 6 0 Liter Engine continued Cooling System The cooling system consists of the following components Cross flow radiator e Belt driven water pump Two thermostats and housings one per bank Coolant expansion tank Viscous coupled belt driven fan Electric fans Electrically driven heater circulation pump and heater control The thermostat housings are the high point of the cooling system Air trapped in the engine cooling system will rise to the thermostat housings and pass through jiggle pins in each ther mostat to the radiator During cold start and warm up the thermostats are closed and the radiator us under suction from the water pump Any air in the radiator is bled through the jiggle pins in each thermostat to the engine fill pipe V12 6 0L COOLING SYSTEM E COOLANT t Lg J HEATER ieee ay A n A A RESERVOIR PUMP Se THERMOSTAT NV EP VY Z ENGINE HEATER T a i A J IGGLE PIN Le 7 F THERMOSTAT RADIATOR INTR 2 16 NOTES 16 Engine and Transmission Packages Sedan Range Powertrain Hydra Matic 4L80 E Automatic Transmission The 6 0L V12 engine is mated to the Powertrain Hydra M atic 4L80 E automatic transmission for the 12 Sedan The specifications and operation of this four speed electronically controlled transmission are described on page 12 POWERTRAIN 4L80E
33. 1995 MY and later Sedan Range vehicles The group numbering system follows the numerical index for 1995 M Y ON Service Manuals In the first part of each year J aguar publishes a book containing all Technical Bulletins issued for the previous year This allows the technician to maintain only the current year s bulletins in the binder while still having the previous years bulletins for easy reference TYPICAL TECHNICAL BULLETIN HEADING AGUAS Sedan Range 3 95 _ 14 01 NK TECHNICAL BULLETIN Model Sedan 4 0L Range Heater Valve Knocking Noise During Climate Control Operation T Repair Procedure 720001 739750 INTR 1 05 Technical Bulletins XJ S Range ALL Technical Bulletins Sedan Range through 1994 MY Sedan Range 1995 MY ON Group Subject Group Subject 04 General 1 General Information 12 Engine 2 J acking Lifting amp Vehicle Recovery 18 Engine M anagement 3 1 Engine AJ 16 19 Fuel System EFI Cruise Control 3 2 Engine V12 26 Cooling System 4 1 Cooling System AJ 16 30 Manifolds Exhaust System 4 2 Cooling System V12 44 Automatic Transmission 5 1 Fuel Emission Control amp 47 Propeller and Drive Shafts Engine Management 16 5 Rear Axle Final Drive 5 2 Fuel Emission Control amp 57 Steering Engine Management V12 60 Front Suspension 6 1 Exhaust System AJ 16 64 Rear Suspension 6 2 Exhaust System V12 66 Hydraulics 7 1 Manual Transmission amp Clutch 16 70
34. 3 ON 6 years unlimited mileage Corrosion and Perforation Warranty CANADA Rust perforation protection 1985 88 5 years unlimited mileage km 1989 ON 6 years unlimited mileage km Corrosion protection to painted surfaces 1986 91 3 years 60 000 km 1992 ON 4 years 80 000 km Parts Limited Warranty CANADA and U S N A Accessories Limited Warranties CANADA and U S N A Reacquired Vehicle Warranty U S Material and labor 1 year unlimited mileage km If installed by aguar dealer Varies refer to the Importer s warranty documentation If installed by aguar dealer 1 year 12 000 miles 1 year unlimited mileage for vehicles resold in Califomia Motorized Automatic Diagonal Seat Belts Limited Lifetime Warranty U S Sedan Range vehicles 1989 92 5 Range vehicles 1988 89 Select Edition Used Car Warranty U S Qualified vehicles only 1992 ON Select Series Used Car Warranty CANADA Qualified vehicles only 1992 ON For the life of the vehicle For the life of the vehicle Refer to the Warranty Policies and Procedures M anual U S Refer to the Warranty Policies and Procedures M anual CANADA NOTES General Information J DS PDU J aguar Diagnostic System J DS JDS is a computer based software driven diagnostic tool for 1988 MY and later vehicles J DS aids the technician in finding faults and verifying vehicle system operation DS allows the technician to l
35. ADA With the ignition OFF the parking side marker tail and number plate lights are switched on With the ignition ON the headlight low beams the parking side marker tail and number plate lights are on Position 2 USA and CANADA With the ignition OFF the parking side marker tail and number plate lights are switched on With the ignition ON the headlights are added High and low beams may be selected with the multifunction switch in the left steering column stalk Universal Garage Door Opener UGDO The roof console mounted garage door opener allows remote operation of up to four radio fre quency RF remote devices Each device must be programmed into one of the four available garage door opener channels To Program Hold the remote device transmitter to the roof console Press and hold the remote device transmitter and press and hold the selected garage door opener channel button Continue to hold both buttons The red Garage light will flash slowly When the Garage light begins to flash rapidly release the buttons It may take up to 1 minute for the light to flash rapidly To Erase Press and hold garage door opener buttons 1 and 4 until the red light begins to flash This erases all four channels Channels cannot be erased individually but they can be individually reprogrammed ROOF CONSOLE WITH GARAGE DOOR OPENER CERA ate INTR 2 88 NOTES 75 Sedan Range Electrica
36. AUTOMATIC TRANSMISSION 27 A INTR 2 17 The gearshift interlock system and preprogrammed driver selectable NORMAL and SPORT op erating strategies are described on pages 8 9 NOTES 17 Sedan Range Engine Management Systems 18 Engine Management Systems J aguar Engine Management Systems EMS are controlled through a digital Engine Control Mod ule ECM containing a microprocessor The system maintains optimum performance over the engine operating range by precisely controlling all fuel injection ignition and emission control func tions In addition the ECM provides various interface outputs and incorporates an on board diagnostic facility AJ 16 Engine Management System The AJ 16 EMS complies with II on board diagnostics II the second generation environ mental legislation that set the maximum acceptable levels of vehicle emissions and requires engine control systems self diagnosis capabilities OBD II Legislative Requirements Low exhaust emission levels Industry standard Diagnostic Trouble Codes DTCs Generic after market scan tool capability for DTC retrieval Expanded self diagnostics to include monitoring and diagnosis of any power train fault likely to cause emissions to exceed 1 5 times the standard level Failure prediction of subsystems by performance observation over the life of the power train including catalyst efficiency engine misfire exhaust ga
37. BS system was fitted through the 1994 MY combining normal system operation power boost and anti lock braking The system uses an independent electrically driven motor pump unit to provide both boost pressure and brake application pressure DOT 4 brake fluid is used for both power boost and brake application System operation is described in the Sedan section of this book on page 51 TEVES MK ABS SYSTEM INBOARD REAR BRAKES SHOWN INTR 3 22 NOTES 5 Range 23 XJ S Range 24 Climate Control Systems Climate Control Systems The XJ S Mk III climate control system is very similar to the Mk IV system found in the Sedan The main difference is the function control panel The XJ S climate control system has separate controls for temperature selection mode control and face vent temperature No provision is made for humidity control or solar compensation XJ 5 Mk Ill Climate Control System 1994 MY ON The climate control panel uses individual buttons to control manual circulation defrost air bleed to the windshield air conditioning on off and automatic or manual functions A separate control panel module interfaces with the climate control module CLIMATE CONTROL PANEL 1994 MY ON 2 3 4 5 6 F CN 1 075 O24 7 7 me 27 30 TEMP USA CANADA INTR 3 23 Controls 1 BLOWER CONTROL Sets the range of automatic blower speeds with the system
38. C POWER GROUND GROUND INTR 2 89 Low voltage ground line switching Switches act as inputs to the vehicle control modules and as a result carry only very low current Switches generally provide a ground signal to the microprocessor this is referred to as a LOGIC GROUND Remote power switching The control modules control a relay coil ground circuit to activate the relay this is referred to as a POWER GROUND This design concept optimizes the vehicle wiring and control system re ducing the amount of heavy current carrying wire required reduced vehicle weight and reducing the current load through switches increased switch reliability NOTES 76 Electrical Electronic Relays Sedan Range All cycling relays are located outside of the passenger compartment where any noise they might make will not be heard by the occupants Relays are color coded with their sockets to aid in identification Relays and inductive power coil consumers are protected against developing high voltage spikes that result when they are switched off and the magnetic field collapses Momentary high voltage spikes which can also be developed by disconnecting components while they are operating or using improper circuit measuring techniques are potentially dangerous to the low voltage control units VE l A 2 DIODE AND RESISTOR IN HARNESS ES RESISTOR IN RELAY CASE
39. COMPONENT PROTECTION RELAY 4VE e T e gt INTR 2 90 Power Distribution Heavy duty cables distribute power to the five vehicle fuse boxes For the 1995 MY the power distribution cables themselves are pro tected by three 250A power fuses Wire Harnesses The Electrical Guides have complete informa tion regarding wire harnesses and wire identi fication All wires are color coded following the Jaguar standard pattern Power grounds are coded B Black and Logic grounds are coded BK Black with Pink Tracer NOTES POWER FUSES 250A INTR 2 91A amp B 77 Sedan Range Electrical Electronic Electrical and Electronic Components continued Connectors Positive connection locking connectors are standardized depending on their usage and model year Sealed waterproof connectors are used in areas of the vehicle where required Multilock 040 Multilock 070 Low current used as harness and direct High current used as harness and direct connection connector connection connector INTR 2 93 INTR 2 92 Econoseal III LC Econoseal HC Low current sealed connector High current sealed connector INTR 2 94 INTR 2 95 Through Panel Ford Card 48 low current pins 6 high current pins Used for SRS only INTR 2 97 INTR 2 96 78 Electrical Electronic Electrical Guides Co
40. CORRECTION VOLTAGE INJ ECTOR PULSE DURATION CRANKSHAFT POS CKPS ENGINE CRANKING INJ ECTORS CKPS TRIGGERED SIMULTANEOUSLY ACCELERATION TPS FUEL INJ ECTORS INTR 2 34 26 Fuel Injection Control Fuel metering is a function of engine load and speed The ECM utilizes the mass air flow sensor MAFS and crankshaft position sensor CKPS inputs to access the appropriate injec tor pulse duration injector on time for the operating conditions NOTES Engine Management Systems Ignition Control Ignition timing dwell and voltages are con trolled by the ECM Spark distribution is controlled by a conventional ignition distributor and rotor NOTES Sedan Range AJ 6 IGNITION PRIMARY AND SECONDARY CONTROL NEUTRAL TCM CLOSED THROTTLE TPS COOLANT TEMP ATS ENGINE SPEED CKPS CRANKSHAFT POS CKPS ENGINE SPEED CKPS ENGINE CONTROL MODULE BATTERY VOLTAGE IGNITION MODULE DRIVE TCM CLOSED THROTTLE TPS COOLANT TEMP ATS ENGINE SPEED CKPS CRANKSHAFT POS CKPS INTR 2 35 27 Sedan Range Engine Management Systems 6 0L V12 Nippon Denso Engine Management System The J aguar 6 0iter V12 Nippon Denso Engine Management System V12 ND EM S introduced in the 1995 MY Sedan Range is controlled through a digital engine control module ECM The system controls all fuel injection ignition and emission control functions
41. Cars the sole authorized U S importer of J aguar vehicles Warranties for vehicles originally specified and built for the Canadian market are issued by J aguar Canada Inc the sole authorized Canadian importer of J aguar vehicles Warranty Summary For additional warranty information or questions on coverage refer to the Importer s warranty documentation or contact your warranty department Warranty Type Model Years Coverage New Vehicle Limited Warranty U S New vehicles 1986 91 3 years 36 000 miles Demonstrator and company vehicles 1986 91 3 years 36 000 miles if vehicle is held 6 months or less before retail sale For every month beyond 6 months coverage is reduced by one month mileage limitation remains 36 000 miles New vehicles 1992 94 4 years 50 000 miles 1 year 12 500 miles wear parts and service adjustments Demonstrator and company vehicles 1992 94 4 years 50 000 miles if vehicle is held 6 months or less before retail sale For every month beyond 6 months coverage is reduced by one month mileage limitation remains 50 000 miles 12 500 miles wear parts and service adjustments New vehicles 1995 ON 4 years 50 000 miles 12 months 12 500 miles wear parts and service adjustments battery 2 years prorated thereafter Demonstrator and company vehicles 1995 ON 4 years 50 000 miles if vehicle is held 4 months or less before retail sale For every month beyond 4 months co
42. E 3 f CY WHEEL SPEED SENSOR INTR 2 68 During normal braking the ABS modulator has ABS MODULATOR no effect on the braking system If during braking the CM senses a wheel approaching lock up the system modulates the pressure to the hydraulic circuit of that wheel so that adhe sion between the tire and the road surface is maintained under all driving conditions NOTES INTR 2 69 51 Sedan Range Chassis Anti lock Braking ABS and Traction Control continued Teves MK IV ABS Traction Control The Teves MK IV ABS Traction control system integrates drive wheel traction control in the ABS TC control module When a wheel or wheels rotate slower than the comparative norm the ABS TC CM activates the ABS function When one drive wheel rotates faster than the other the ABS TC CM activates the traction control function If a fault occurs within the trac tion control system the anti lock warning light will illuminate Traction control faults are diagnosed via serial communication with PDU The traction control system has an additional rear brake hydraulic circuit allowing independent control of the rear brakes and a throttle control actuator to modulate throttle opening thereby reducing torque to the rear wheels Traction control is automatically switched on at each engine start It can be switched off by pressing the TRAC switch on the right side of the fascia switch pack A TRACTION OFF light remains illumi
43. E or TRANSMISSION MIL is illuminated on aJ aguar vehicle 4 0 Liter or XJ 12 Sedan from 1995 model year on the data that caused the light to illuminate MUST be extracted from the Engine Control Module ECM memory and reported to J aguar on form S 93 JAGUAR REPORT SERVICE Dealer Name Dealer No Date wnf TET TT TTT 111 J mitease Engine Contro Module part no CTT LII Transmission Control Module part no PDU Software Issue no LLLI This work is being carried out because please check all applicable boxes and provide a brief description of the complaint on the opposite side of this form The CHECK ENGINE MIL was illuminated _ The TRANSMISSION MIL was illuminated Customer complaint no MIL illuminated Provide a brief description of the complaint on the opposite side of this form L Jaguar Cars Technical Services instruction The following DIAGNOSTIC TROUBLE CODES have been logged Enter the stored FREEZE FRAME data in FREEZE FRAME RECORD ONE below NOTE There may be two fields of FREEZE FRAME data stored in memory If so use FREEZE FRAME RECORD TWO to enter the second field of FREEZE FRAME data Refer to the opposite side of this form for instructions on accessing FREEZE FRAME reporting data FREEZE FRAME RECORD ONE FREEZE FRAME RECORD TWO Field ref Record Field ref Record rss es pen pp i av
44. EL PUMP 2 CONTROL ENGINE CONTROL MODULE INTR 2 47 38 NOTES Fuel Delivery Systems Sedan Range Fuel pump control V12 Sedan 1994 MY LM EMS Fuel pump 1 operates continuously when the engine is running Fuel pump 2 is switched by the fuel pump control module The fuel pump control module receives an engine speed input from the ignition ECM and switches fuel pump 2 on via pump relay 2 when the engine speed reaches 2840 rpm As engine speed decreases the pump control module interrupts pump relay 2 ground at 2000 rpm switching off fuel pump 2 In case of vehicle impact the inertia switch interrupts battery feed to the ECM which will disconnect the relay grounds V12 FUEL PUMP CONTROL 1994 MY LM EMS ENGINE SPEED FUEL PUMP CONTROL MODULE OXYGEN SENSOR HEATERS OXYGEN IGNITION gt SENSOR HEATERS RELAY ENGINE CONTROL MODULE FUEL INJECTION INTR 2 48 NOTES 39 Sedan Range FRONT JACKING BOTH WHEELS INTR 2 49 REAR JACKING BOTH WHEELS INTR 2 50 40 FRONT JACKING ONE WHEEL INTR 2 51 Chassis Chassis Lifting and J acking To prevent damage to the vehicle Jaguar vehicles should be jacked or lifted only as described in the Service Manual Position the pads of four point lifts under the chassis jack pads Floor jack To jack the front place the jack pad at
45. Heated Oxygen Sensors HO2S Sensors and connectors should be marked if removed They must be reinstalled in their origi nal positions If they are not reinstalled in their original positions or new sensors or wiring are installed the ECM must be reprogrammed with PDU Limp Home Default In order to allow vehicle operation if a malfunction occurs limp home default values are incor porated as an ECM facility If a sensor fault is detected the ECM will substitute a nominal value for the missing input NOTES Sedan Range 23 Sedan Range Engine Management Systems 24 6 4 0L Engine Management System The AJ 6 4 0L EMS complies with OBD I the first generation environmental legislation that set the maximum acceptable levels of vehicle emissions and required engine control systems with self diagnostic capabilities OBD I Legislative Requirements Low exhaust emission levels Monitoring and diagnosis of electrical fuel system faults Monitoring of both open and closed circuit faults Visual waming to driver CHECK ENGINE MIL Fault code provided to technician Diagnostic Trouble Code DTC Fuel Fail Code FF On Board Diagnostics Facility OBD I If an EMS related fault is detected by OBD monitoring or testing the CHECK ENGINE MIL will illuminate and a DTC is stored in volatile memory in the ECM If battery power is interrupted to the ECM any stored data will be cleared from memory DTCs
46. ION STRATEGY PRIMARY INJ ECTOR PULSE DURATION VOLTAGE INJ ECTOR PULSE DURATION INJ ECTORS TRIGGERED SEMISEQUENTIALLY FUEL ECTORS EXHAUST OXYGEN CONTENT ENGINE COOLANT TEMP INTR 2 18 NOTE 21 Sedan Range Engine Management Systems 16 Engine Management System continued Ignition Control The ECM controls the ignition timing angle and spark distribution by directly operating the 6 in dividual on plug ignition coils Sensor inputs form primary and secondary control groups as with fuel injection The ignition sequence for spark distribution is set up by a signal from the camshaft position sen sor CMPS The ECM leams the position of the number one cylinder ignition point at each engine start and applies the engine firing order to maintain the correct ignition sequence ENGINE LOAD ENGINE SPEED ENGINE CRANKING INTAKE AIR TEMP THROTTLE MOVEMENT TRANSMISSION SHIFT A C COMPRESSOR OPERATION KNOCK SENSING CAMSHAFT POSITION INITIAL SYNCHRONIZATION CRANKSHAFT POSITION SYNCHRONIZATION AJ 16 IGNITION PRIMARY AND SECONDARY CONTROL ENGINE CONTROL MODULE IGNITION TIMING STRATEGY PRIMARY IGNITION TIMING 4 BATTERY VOLTAGE KNOCK CONTROL IGNITION TIMING AND SYNCHRONIZATION IGNITION COILS INTR 2 21 22 Ignition Primary Control Primary ignition timing is a function of engine load and speed The ECM selects an ignition
47. Manual recirculation press release gives timed 5 minute recirculation press hold for 2 seconds gives continuous recirculation until the switch is again pressed held for 2 seconds Centigrade Fahrenheit selection Display Outside temperature OFF ON to the last setting Automatic operation Manual air distribution controls Face level Brlevel Foot level Defrost and foot level Temperature selection increase hotter decrease cooler Heated rear window and side mirrors 20 minutes timed operates only with the engine running Heated windshield and side mirrors where fitted 6 minutes timed operates only with the engine running Defrost System on in defrost Maximum air flow to windshield Windshield heater on if fitted Press DEF or AUTO to return to last setting Manual blower control overrides defrost blower speed via serial communication with PDU Sedan Range NOTES 55 56 Climate Control Systems Nippon Denso Climate Control System 1995 MY ON continued Heating System Engine coolant circulates through the heater core via a solenoid control valve and electric pump The electric pump maintains a flow of coolant through the heater core that does not depend on engine speed The solenoid valve opens and closes to maintain a constant heater core temperature AJ16 COOLING SYSTEM HEATER VALVE
48. S m C M X INTR 2 42 32 Ignition Control Two ignition coil packs consisting of three coils each are installed Each coil fires two spark plugs simultaneously so that one spark occurs on the compression stroke and the other spark on the exhaust stroke The ECM drives two ignition modules one for each coil pack with timed ignition signals Each ignition module controls the primary current switching for its Coil pack resulting in precise ignition control for each cylinder NOTES Engine Management Systems Sedan Range 6 0L V12 Lucas Marelli Engine Management System The 1994 MY 6 0Hiter V12 Lucas Marelli Engine Management System V12 EMS utilizes a combined Lucas Marelli fuel injection ignition system Each system fuel injection and igni tion has its own unique sensors switches and control module The engine control module ECM for fuel injection controls all fuel injection and emission control functions The engine control module ECM for ignition controls ignition functions and provide the fuel injection ECM with engine speed information The 6 0L V12 Lucas Marelli EMS complies with the first generation environmental leg islation that set the maximum acceptable levels of vehicle emissions and required engine control systems with self diagnostic capabilities The system provides serial communication for extracting DTCs interfacing w
49. SSINSNVHL 1Iv3 1904 NOLLVINHONI Tan pe SHOLOAPNI d33dS S3N WA 39ufid S3S Ifid NOLLINDI AYTAY NOILOAPNI HIY SHOSN3S N39AXO NOLLINDI e a e HOSN3S HOLIMS VLH3NI HOSN3S NOLLISOd 37 LLOWHL 109100 WO Tan aHNSsaud HOSNIS ANAE EOS 5 HOSN3S N3DAXO ETT qu v 1903 15 Td Tan uly SHOSN3S 9 V gt HOSN3S 5 5 dWaL dar 1NV 1009 a 05395 3NION3 3yVLNI gt TINON 10H1NOO HOLOZPNI 1903 ANN HOSNIS NOLLISOd 31LLOHHL H LIMS Tan3 1HVIS LOH sarig ue 1303 3unss3ud mus MISSE JL ES NOLLOSPNI HIY gt L 1303 1304 INTR 2 43 34 Engine Management Systems Sedan Range Ignition Control Primary ignition control is established by the ignition ECM acting on information from the crank shaft position TDC sensor the engine speed sensor and a manifold absolute pressure sensor MAPS located in the ignition ECM Secondary ignition control to compensate for idle conditions engine and intake air temperatures is accomplished by th
50. SURE SENSOR INTR 2 38 30 Engine Management Systems Fuel Injection Primary Control Fuel metering is controlled primarily as a function of engine load and speed Engine load Each intake manifold A bank and B bank is connected to a separate manifold absolute pressure sensor MAPS Changes in manifold absolute pressure caused by throttle position and engine load will act on the MAPS The ECM uses each MAPS signal to control the respective cylinder bank Engine speed and crankshaft position The engine speed sensor RPM Sensor provides the ECM with engine speed informa tion The RPM Sensor is located behind the flywheel at the rear of the engine vee The crankshaft position sensor CKPS pro vides the ECM with one pulse for each engine revolution It is located at the bottom of the crankshaft pulley A camshaft position sensor 5 provides the ECM with a pulse for each engine cycle two crankshaft revolutions The camshaft position sensor is located on the A bank right side camshaft cover All three inputs are required for cylinder synchronization of fuel injection and ignition Fuel Injection Secondary Control Secondary fuel injection control adjusts the injector pulses as necessary to compensate for the following engine operating conditions Engine cranking Engine coolant temperature Acceleration full load deceleration Battery voltage correction Closed loop Overrun fuel cutoff
51. Service Training Course INTR Introduction to aguar This publication is intended for instructional purposes only Always refer to the appropriate J aguar Service publication for specific details and procedures WARNING WHILE SERVICING AND TESTING VEHICLES AND VEHICLE SYSTEMS TAKE ALL NECESSARY SAFETY PRECAUTIONS TO PREVENT THE POSSIBILITY OF BODILY INJ URY OR DEATH Publication number T INTR 95 1995 J aguar Cars PRINTED IN USA All rights reserved All material contained herein is based on the latest information available at the time of publication The right is reserved to make changes at any time without notice Welcome to J aguar The J aguar heritage has its roots in the development of Sporting and luxury automobiles in the 1930 s Every exciting new model introduced throughout J aguar s his tory has had its own identity and combined elements that made it uniquely J aguar These elements com bined to enhance the owner s motoring experience and include traditional craftsmanship the richness of natu ral materials wood and leather exceptional road holding and ride comfort spirited performance and the tasteful integration of luxury features Today s J aguars continue these traditions in a line of classic automobiles integrated with a high degree of technical sophistication and advanced technology The service training course you are participating in will introduce you to the J aguar organization and the t
52. ULE ENGINE SPEED CRANKSHAFT POSITION SENSOR ENGINE RPM GROUND gt FUEL PUMP CONTROL MODULE INTR 2 46 NOTES 37 Sedan Range Fuel Delivery Systems V12 Sedan Fuel Delivery The V12 Sedan utilizes twin fuel pumps and a fuel delivery system that is similar in function to the AJ16 SC system The 1995 MY V12 Sedans use the same fuel tank and fuel pump modules as the AJ16 SC Sedans Only the fuel pump control system is different The 1994 MY V12 Sedans use a different control system and different fuel pump modules and fuel tank Fuel pump control V12 Sedan 1995 MY ND EMS The ECM provides separate grounds for fuel pump relays 1 and 2 When the ignition is switched on fuel pump 2 operates for a short period of time to assure fuel for starting When the ignition is switched to the crank position fuel pump 2 is switched off and fuel pump 1 is activated Fuel pump 1 operates continuously when the engine is running The ECM activates fuel pump 2 to provide the additional fuel required for high load engine operation In case of vehicle impact the inertia switch will interrupt battery feed to the ECM which will disconnect the relay grounds V12 FUEL PUMP CONTROL 1995 MY ND EMS ENGINE SPEED ENGINE LOAD FUEL PUMP 1 GROUND POWER CONTROL RELAY 1 GROUND FUEL PUMP POWER RELAY 2 FU
53. a p NS gt V uiv 1 gt LL HIY JAVA ddns gem 3 m SNIS NOLLISOd Louhi A AWA WWHSHL RATVA 3ATVA Aviad IMYA OVA ONIHOLIMS 105 HIY HIV GNOOAS St 3N1VA AATWA OVA IOS 19915 LOH W SHOLO3fNI 5 NOLLIND 1514 HOLO3fNI HOLIMS 1919 18915 Land 3unssaud UJ 1303 M INTR 3 17 19 XJ 5 Range Fuel Delivery Systems Fuel Delivery Systems A recirculating fuel delivery system is used to provide a continuous supply of pressurized fuel to the fuel rail of the injection system XJ S AJ 6 and 16 Fuel Delivery System A single intank fuel pump module provides the fuel pressure and circulates fuel from the fuel tank to the fuel rail similar to Sedan Range systems The fuel pump module is controlled by the ECM XJ S 6 0L V12 Fuel Delivery System The 6 0L XJ S uses the same fuel delivery system as the 1994 MY XJ 12 Sedan Twin in tank fuel pump modules provide the fuel required for the 6 0L engine The modules are identical but operate independently with staged control The control relay for fuel pump one is switched by the ECM The control r
54. anically sensed air bag and a three point tear loop style seat belt for both the driver and the front seat passenger Refer to page 64 for a description of the tear loop seat belt A diagnostic module monitors the system and controls the SRS AIR BAG WARNING LIGHT MIL The module contains a one minute power reserve to fire the air bags during impact even if main power is lost The system utilizes a dedicated wiring harness colored yellow for identification WARNING Read the service instructions in the Service Manual and observe all safety precautions before attempting to service the steering wheel or any air bag SRS components Two impact sensors and a safing sensor trigger air bag deployment For the system to fire the ig nition must be in position II and at least one impact sensor and the safing sensor must be activated To disarm the system disconnect the negative battery cable and wait one minute for the power reserve charge to dissipate Occupant Protection Sedan Range Mechanical Air Bag SRS 1993 MY Driver Side 1994 Driver and Passenger Side A mechanically sensed air bag SRS utilizes a self contained air bag module A three point tear loop style seat belt is an integral part of the system The mechanically sensed air bag SRS and a tear loop style seat belt are fitted to the driver side or both front positions depending on model year A WARNING Read the service instructions in the Service Manual and observe all safety precauti
55. ansmitter Panic mode Unlocking Press for seconds locks doors and trunk and arms the system Produces audible signal and 1 flash of sidelights Press again within 3 seconds headlights on for 25 seconds Hold for more than 6 seconds full alarm To turn off Panic ignition to position II or end of alarm cycle Key Remote transmitter dealer programmable Dealer Programmable Option e Passive arming Unlock normally unlocks doors If system is armed ticking sound for 15 seconds until alarm sounds To disarm quickly switch the ignition to position II three times or press the remote Press once unlocks doors and disarms Produces two audible signals and 2 side light flashes three audible signals indicates a system fault Second press trunk unlock NOTES Electrical Electronic Sedan Range TRANSMITTER INTRUSION 1 SECURITY SWITCH DOOR OPEN SWITCHES TRUNK OPEN SWITCH HOOD OPEN SWITCH IGNITION SWITCH POS I SECURITY SYSTEM 1993 94 MY RF ANTENNA BODY PROCESSOR MODULE um TURN SIGNAL FLASH STARTER INHIBIT DOOR LOCKS REMOTE LOCK UNLOCK INTERIOR LIGHTS FLASH TURN SIGNAL FLASH HEADLIGHTS FLASH SENSORS ACCESSORY LOW BEAMS SIDE LIGHTS FLASH TRUNK RELEASE HEADLIGHT uw LOW BEAMS ON REMOTE
56. ar cars who is re sponsible for the vehicle system involved This priority report is the fastest way to let J aguar know about product or repair problems JAGUAR PRODUCT QUALITY REPORT SERVICE Date Originator s name Dealer No VIN last 6 digits only MODEL MILEAGE REPAIR DATE REPEAT REPAIR YES NO YES NO YES NO Customer Complaint Symptoms please be specific Recorded System Trouble Codes ECM TCM ABS Air Conditioning Security System M emory Seats etc Attach copy of Diagnostic Trouble Code Form S 93 Technician Diagnosis please be specific Technician Repair please be specific Was the repair successful Check the appropriate box Yes No Not sure FAX a copy of this completed form to 201 818 9763 Retain the YELLOW copy in the dealer file Mail the completed WHITE copy to J aguar Cars Product Investigation 555 MacArthur Boulevard Mahwah New J ersey 07430 2327 INTR 1 01 NOTES General Information The J aguar Organization continued Service Reports continued OBD II Report S 93 OBD II On Board Diagnostics phase II compliant engine management systems store data con ceming the DTCs Diagnostic Trouble Codes which activate the CHECK ENGINE or TRANSMISSION MIL Whenever the CHECK ENGIN
57. automatic transmission utilizes a transmission control module TCM to control shift points The TCM also controls the torque converter clutch lockup clutch and release and apply line pressure Inputs from sensors and switches provide engine transmission and vehicle operating information to the TCM The TCM determines the exact moment to control transmission functions resulting in precise and consistent shift quality ZF 4HP 24 E9 AUTOMATIC TRANSMISSION INTR 2 06 Lubricating fluid Dexron II D Approx capacity from dry 10 75 qt 10 2 liters Drain and refill 4 5 qt 4 2 liters Normal and Sport Modes The performance control switch on the J gate surround allows the driver to select one of two preprogrammed transmission control strategies NORM AL or SPORT mode NORMAL mode The transmission shift points and kick down speeds are optimized for every day driving SPORT mode This strategy makes the transmission more sensitive to changes in throttle position Kickdown occurs more readily and at higher engine speeds During acceleration gears are held longer Part throttle downshifts to first gear are possible NOTES Engine and Transmission Packages Gearshift Interlock The gearshift interlock locks the gear selector in the PARK position unless the ignition switch is in position II ignition and the brake is applied The interlock system also inhibits removal of the ignition key unless the g
58. be retrieved through serial communication via the data link DTCs are held in nonvolatile memory EEPROM so that disconnecting the battery does not erase stored codes NOTE Whenever the CHECK ENGINE or TRANSMISSION MIL is activated AJ 16 and 12 1995 MY ON it MUST be reported to J aguar using the OBD II Report form S 93 Sedan Range Engine Management Systems Aj 16 NA ENGINE MANAGEMENT SYSTEM FINGOW TIOHLNOO YOSNAS NOLLISOd YOSNAS SSVIA 03H 9 II TONE DON a33ds ANIDNA TOHIN p BP Ta MOSN3S 3f Vila WAL DIVLNI OVSUSINI SWALSAS TIDIHJA niu QUAS 3ATVA 1OHINOO SNOLLVOIN IAIAOO 20 MOSN3S N394XO Galv3H NOLLVM34O BP 30153 NI OUINOO 31 VITIO disp FATWA TOWLNOD NOSISIIN3 3A VHOdV A3 NOLUSOd 0123135 9 p INVA NOISSIMSNVL MOSN3S SUNLVYAd WAL OE TILIOHD WAL 1 FINO W 1O41NOO IOH1NOO suos NOISSINSNYULL P a nas YOSNIS NOLLISOd HVHS IVO YOSNAS NOLLISOd LHVHS INVHO dINNd NOLLO3 INI AHV INOO3S 3INVIL TANA YOSNAS TAN TAMH W23 554 AN HI 1304 SdL SAV SZOH ld Au93 SN3S 1494 5134 W23 Sd WO S
59. boost pressure replaces master cylinder pressure via the main valve in the valve block The four road wheel speed sen sors input to the ABS electronic control module which processes the information and modulates the three sets of solenoid valves to control brake pressure in the three hydraulic brake circuits to prevent wheel lock If a fault occurs within the ABS system the anti lock warning light will illu minate and the brake system will still operate conventionally If a fault occurs with the hydraulic boost portion of the system the brake system will function on the front wheels only without boost pressure ABS faults can be interpreted from the flashes on the anti lock warning light or accessed via serial communication with JDS PDU Brake System Warnings Additional brake system warning lights are provided as follows depending on the model year of the vehicle Low fluid level Low boost Pad wear NOTES 53 Sedan Range Climate Control Systems 54 Climate Control Systems Jaguar climate control systems offer automatic control of temperature blower speed and air dis tribution to provide optimum comfort to the vehicle occupants The systems use the vehicle heating and air conditioning systems to provide the warm or cool air Using advanced electronic components and microprocessor controls the climate control system mixes the air to the desired temperature and distributes it as required to maintain a continuously
60. cal areas A system of stainless steel X braces increase torsional rigidity of the body Each brace is secured to the body with four bolts and washers tighten ing torque 41 55 Ib ft 55 75 Nm CAUTION Do not jack the vehicle on the center of the X braces J ack only as described in the Service Manual or owners literature A jacking pad is provided on the front suspension subframe at the rear of the X brace reinforcement plate If the rear of the vehicle must be jacked from the cen ter point place a wooden block against the rear skid pan behind the X brace reinforce ment plate The Convertible 2 2 has provision for occa sional seating of two passengers NOTES Convertible The fully powered convertible top require only that the driver move two release handles and press the roof switch The electro hydraulic operating mechanism moves the top to the full down position and the top controlling mechanism operates the rear quarter win dows as necessary The heated rear window stows with the top requiring no additional assistance from the driver The top can be operated manually if neces sary An electric manual valve located on the hydraulic pump can be turned to bypass the hydraulic pump XJ S Range CONVERTIBLE TOP RELEASE INTR 3 04 CONVERTIBLE TOP BYPASS VALVE ELECTRIC ZI gt MANUAL INTR 3 05 NOTES XJ 5 Range Body XJ R S T
61. ccessful and responsive network of service and technical sup port to assist its dealers and to gather information for the constant refinement of the product The fourteen District Service Managers DSM s US are located where they can best serve their assigned dealers They are the person to person link between the dealership Service Department and J aguar A group of Technical Service Representatives are on call to assist dealer Service Departments through the J aguar Technical Hotline or in person if necessary Product Analysts in Mahwah each responsible for specific vehicle systems are in daily personal contact with their counterparts in the engineering groups at J aguar in England A similar organization exists to support the J aguar dealers in Canada Much of J aguar s product improvement is the direct result of dealership Service Department feedback to J aguar Cars This vital real world information is evaluated and immediately com municated to England for action The J aguar technician plays an important role in the success of J aguar Service Reports J aguar uses standardized technical information reporting to most effectively manage and evaluate dealer Service Department feedback Three reports are key to this process the Product Qual ity Report the OBD II Report and the PDU Quality Report NOTES General Information Product Quality Report 5 94 The Product Quality Report S 94 goes directly to the Product Analyst at J agu
62. comfortable environment Manual controls are provided to override the automatic settings Since the 1993 MY Jaguar has used HFC R134a refrigerant to reduce harm to the earth s ozone layer Nippon Denso Climate Control System 1995 MY ON System Operation Switch ON the system by pressing one of the following AUTO Full automatic operation the blowers will not operate the heating mode if the engine coolant temperature is below 30 C 86 F DEF Defroster operation maximum temperature blower speed and air to the windshield A C Switches the system on to the last programmed setting with the A C on Full operation of temperature air volume and distribution PUSH ON Push to turn the system on full automatic operation or off rotating the knob over rides automatic and selects a blower speed range CLIMATE CONTROL PANEL AND FACE VENT 1995 MY FACE LEVEL TEMPERATURE DIFFERENTIAL CONTROL 6510 INTR 2 73 NOTES Climate Control Systems Controls Numbers refer to the illustration at left 1 ao A CO 10 11 12 The climate control system has self diagnostic function that will display fault information on the system panel display Refer to the Service Manual for further details Faults can be diagnosed OFF push to operate Manual blower speed rotate Blower speed varies with road speed to maintain constant air flow at any setting
63. d SWANOWDV OL AJA T801 1 02 19 Sedan Range Engine Management Systems AJ 16 Engine Management System continued Component Location gt TI 7 SS 4 7 he V 7 7 4 UF 17 K KEY TO ILLUSTRATION DU A ja N FUEL LEVEL SENSOR 13 EMS MAIN RELAY EVAPORATIVE CANISTER 14 CRANKSHAFT POSITION SENSOR CKPS INERTIA SWITCH 15 KNOCK SENSOR KS SPARK PLUG WITH INTEGRAL COIL 16 THROTTLE POSITION SENSOR TPS FUEL INJ ECTOR FI 17 UPSTREAM HEATED OXYGEN SENSOR 25 EGR VALVE EGRV 18 ENGINE CONTROL MODULE ECM FUEL PRESSURE REGULATOR 19 TRANSMISSION CONTROL MODULE MASS AIR FLOW SENSOR MAFS 20 TEMPERATURE SENSOR EGRT SENSOR EVAPORATIVE EMISSION CONTROL VALVE EVAPP 21 ENGINE COOLANT TEMPERATURE SENSOR ECTS SECONDARY AIR INJ ECTION PUMP AIRP 22 DOWNSTREAM HEATED OXYGEN SENSOR 25 CAMSHAFT POSITION SENSOR CMPS 23 CATALYST GENERATOR 24 IDLE AIR CONTROL VALVE IACV INTR 2 19 20 Engine Management Systems Engine Management Control The AJ 16 EMS controls the following Fuel metering Injector timing and semisequential fuel injection sequential on AJ 16 SC Idle speed Primary and secondary direct spark ignition Knock control Emission control devices Fuel Metering Fuel metering is accom
64. d refinement The classic 6 cylinder layout delivers smooth high torque power due to the natural balancing of its inertial forces 16 4 0 LITER NORMALLY ASPIRATED ENGINE AAA SoU A R gt KE es SSS INTR 2 02 Configuration Six cylinder in line Valve gear Two overhead camshafts four valves per cylinder Bore and stroke 91 x 102 mm 3 558 x 4 02 in Displacement 3980 cc 234 cu in Compression ratio 10 1 Maximum power DIN 245 hp 4700 rpm Maximum torque DIN 289 Ib ft 4000 rpm Maximum engine speed 5500 rpm NOTES Engine and Transmission Packages Sedan Range Cylinder Head The pent roof combustion chamber is both CYLINDER HEAD efficient and practical The cross flow design allows for a very large valve opening area and free flowing intake tracts The centrally located spark plug allows a short flame travel within the combustion chamber for good buming Four Valves per Cylinder Four valves per cylinder produce a greater combined area than two per cylinder addi tion the smaller diameter of the valves increases the velocity of the air flow Power and effi ciency are increased due to improved cylinder filling at all engine speeds INTR 2 03 NOTES Engine and Transmission Packages AJ 16 NA Engine Transmission continued AJ 16 4 0 Liter Normally Aspirated NA Engine continued
65. e button NOTE Any Tibbe key will lock any lock Only the key for the vehicle will unlock the lock Security Systems Factory fitted security systems have various features depending on the model year of the ve hicle Some of the features are dealer programmable Refer to the service literature or the security system information in the vehicle owners literature package for specific information Security System Coding The security system control module is programmed for the owner s transmitters If the transmitter batteries fail or are removed for a period of time the system will require recoding Refer to the service literature for specific system coding procedures NOTES Electrical Electronic Sedan Range Security System Operation 1995 MY Locking Key Remote transmitter Remote Panic mode dealer programmable Console locking Panic button Drive away lock dealer programmable Error signal high pitched warble Unlocking to lock and release locks doors trunk fuel filler and arms the system Hold key in lock position for 2 seconds closes open windows and sliding roof Press large button once red indicator light locks doors trunk fuel filler and arms the system Produces audible signal and 1 flash of sidelights Press again within 3 seconds headlights on for 25 seconds Hold any button for seconds unlocks disarms and triggers full alarm
66. e desired gear selections HYDRA MATIC 400 TRANSMISSION INTR 3 15 Lubricating fluid Dexron II D Drain and refill 9 6 qt 9 1 liters NOTES 15 XJ S Range 16 Engine Management Systems Engine Management Systems AJ 16 Engine Management System The engine management system utilized on XJ S Range vehicles equipped with AJ 16 engines is identical to the Sedan Range version The AJ 16 EMS complies with OBD II legislation The ECM is programmed to comply with the different vehicle characteristics of the XJ S Range AJ 6 4 0L Engine Management System The engine management system utilized on XJ S 4 0L vehicles equipped with AJ 6 engines is the same as the system used on the AJ 6 Sedan Range The OBD I EMS on board diagnostic sys tem is described on page 18 V12 6 0L Engine Management System 1994 MY ON The V12 6 0L engine management system used in the XJ S Range is the same as the EM S used on the 1994 MY XJ 12 Sedan The system employs a combination Lucas Marelli fuel injection ignition system The XJ S V12 6 0L EMS complies with legislation The OBD EMS on board diagnostic system is described on page 18 XJ R S V12 6 0L Engine Management System The Zytek engine management system employed on the XJ R S is unique to this vehicle A single ECM controls fuel delivery evaporative emission purging sequential fuel injection exhaust emission ignition tim
67. e desired position Simultaneously press the M memory set and 1 memory position 1 switches on the door trim panel and hold for three Seconds A second set of positions can be programmed by repeating the process and pressing switch 2 DRIVER S DOOR SWITCH PACK RECLINE 5 MEMORY 101 REARWARD FORWARD INTR 3 27 NOTES Electrical Electronic Speed Control The speed control speed control system is similar to the Sedan Range system in design and op eration It is controlled with two switches The master ON OFF SET switch is located adjacent to the gear selector The RESUME switch is on the end of the left combination switch stalk To operate the system touch SET to set the current speed Holding the SET switch will gradually increase vehicle speed When the switch is released the new speed is set Touching the brake disengages the system Pressing RESUME will recall the last set speed and reengage the system Set memory is canceled when the ignition or the speed control system is switched off X S Range XJ S RANGE SPEED CONTROL SYSTEM ENGINE CONTROL MODULE SPEED INTERFACE D 2 1 ROAD SPEED SENSOR GEAR SELECTOR MASTER SET SWITCH SPEED CONTROL E SET BRAKE OPERATION RIGHT THROTTLE VALVE THROTTLE LEFT THROTTLE VALVE ACTUATOR VACUUM CONTROL UNIT PUMP INTR 3 28 NOTES
68. e ignition ECM based on inputs from sensors and switches The ECM establishes an ignition timing angle based on the engine operating requirements and controls two ignition coils via two power modules one pair 15 utilized for each cylinder bank A double deck two rotor distributor distributes the high tension voltage to bank A right side via the lower deck and bank B left side via the upper deck V12 LM IGNITION CONTROL AIR TEMP IGNITION COILS SENSOR POWER MODULES A ENGINE SPEED SENSOR ABSOLUTE PRESSURE SENS BATTERY POWER a IGNITION SWITCH IGNITION RETARD REQUEST TRANSMISSION IGNITION RETARD ACKNOWLEDGE ENGINE SPEED TACHOMETER FUEL INJECTION ECM TRANSMISSION CONTROL MODULE FUEL PUMP CONTROL MODULE IGNITION ECM INTR 2 44 NOTES 35 Sedan Range Fuel Delivery Systems Fuel Delivery Systems AJ16 Normally Aspirated Fuel Delivery The single in tank fuel pump provides fuel pressure from the sealed fuel tank to the fuel rail Fuel tank ventilation is controlled by the evaporative emission control system EVAP A fuel pressure regulator maintains fuel pressure for the injectors and allows excess fuel to return to the fuel tank The fuel pump module is switched by the ECM via a fuel pump relay The ECM initiates fuel pump operation when the ignition is switched on and maintains pump operation based on an engine s
69. ear selector is in PARK GEARSHIFT INTERLOCK RELAY GEAR SHIFT SOLENOID Q PARK MICRO EI SWITCH gt ol NOT IN PARK BRAKES APPLIED BRAKE SWITCH RELAY POSITION KEY LOCK SOLENOID IGNITION SWITCH BODY PROCESSOR MODULE INTR 2 07 A gearshift interlock override is provided in the gear selector J gate Remove the plastic screw at the left front side of the selector lever to access the release NOTES MANUAL OVERRIDE RELEASE INTR 2 08 Sedan Range Sedan Range Engine and Transmission Packages AJ 16 SC Engine Transmission AJ 16 4 0 Liter Supercharged SC Engine The AJ 16 4 0L SC engine is fitted to the R Sedan This high performance engine utilizes a belt driven positive displacement supercharger to increase manifold pressure to a maximum of 10 2 psi 0 7 bar above atmospheric pressure at 2700 engine rpm The AJ 16 supercharged engine is similar in design to the normally aspirated version Differences include the block which has cast mounting bosses for the supercharger the manifold lower compression ratio pistons and the camshafts AJ 16 4 0 LITER SUPERCHARGED ENGINE INTR 2 09 Configuration Six cylinder in line Valve gear Two overhead camshafts four valves per cylinder Bore and stroke 91
70. echni cal aspects of J aguar It will prepare you for advanced Systems based courses General Information Contents J aguar Service Training J aguar Owners The J aguar Organization J aguar Service Literature Vehicle and Component Identification J aguar Warranties J DS PDU 8 10 11 12 13 14 15 General Information J aguar Service Training The J aguar Service Training program is designed above all else to increase customer satisfaction by helping the technician to develop the specialized skills and knowledge required to keep the vehicle operating at its peak performance level Professional training is available at four strategically located training centers in North Amenca Each J aguar training center is designed to represent an ideal service environment and is equipped to J aguar dealer standards of appearance tools and equipment Members of the full time instructional staff are home based at a particular training center They also periodically teach at other training centers allowing for uninterrupted class schedules and personalized attention to students Training Center Locations Canada 8 Indell Lane Bramalea Ontario L6T 4H3 Califomia 6 Morgan Suite 150 Irvine CA 92718 Georgia 6160 Peachtree Dunwoody Road Atlanta GA 30328 New J ersey 555 MacArthur Blvd Mahwah NJ 07430 J aguar Training Courses J aguar Service Training Courses are designed to offer the optimum mix of hands on work with
71. edan Range models The braking system on Sedan Range vehicles features ventilated discs front and rear with drum type parking brakes Anti lock Braking ABS and Traction Control Anti lock braking helps the driver to retain steering control even during emergency braking on slippery road surfaces Traction control improves tire adhesion and assists in maintaining straight line stability under acceleration Teves MK IV ABS 1995 MY ON The Teves MK IV ABS system introduced on the 1995 MY Sedan Range combines normal sys tem operation and antilock braking The system uses a conventional brake master cylinder with vacuum assisted boost An ABS modulator incorporating an electrically driven pump valve body and control module CM modulates brake pressure based on input signals from wheel speed sensors Each road wheel is equipped with a wheel speed sensor Three hydraulic circuits are used one to each front wheel and one to the rear wheels The system is continuously moni tored by the control module If a fault occurs within the ABS system the anti lock warning light will illuminate and the brake system will still operate conventionally ABS faults are diagnosed via serial communication with PDU NOTES Chassis Sedan Range TEVES MK IV ABS TRACTION CONTROL SYSTEM 1995 MY ON MASTER CYLINDER REAR BRAKE CIRCUIT TRACTION CONTROL ACTUATOR FRONT BRAKE CIRCUIT PRESSURE CONSCIOUS 22 REDUCTION VALV
72. elay for fuel pump two is switched by the fuel pump control module The fuel pump control module located in the trunk right side receives an engine speed input from the ignition ECM and switches the fuel pump relay on when engine speed reaches 2840 rpm XJ S 5 3L V12 Fuel Delivery System The 5 3L XJ S uses a single fuel pump system that is similar in operation and layout to the 4 0L Sedan fuel delivery systems IGNITION ON gt XJ S 6 0L V12 FUEL PUMP CONTROL ENGINE CONTROL MODULE FUEL INJ ECTION ENGINE SPEED OXYGEN SENSOR HEATERS INTR 3 18 20 XJ R S 6 0L V12 Fuel Delivery System The 6 0L XJ R S uses unique twin in tank fuel pumps The pumps operate simultaneously con trolled by an ECM switched relay NOTES Chassis 5 Range Chassis Suspension 5 suspension is similar in design to the Sedan Range with unequal length A arm front sus pension providing anti dive under braking and a two link independent rear suspension utilizing the axle shafts as the upper link Both the front and rear suspension assemblies are mounted on rubber isolated sub frames to isolate suspension loads from the body Front Suspension XJ S FRONT SUSPENSION The XJ S front suspension has provisions for adjusting both caster and camber through the use of shims When performing alignment measurements or adjustments the steering rack must be fixed in the center po
73. ervice Publications Special Service publications are developed to meet specific technician needs Special publica tions are categorized as follows Focus Books Focus books contain specialized information about the operation diagnosis and repair of specific vehicle systems Technical Guides Update Books These publications provide new model information and descriptions of new systems The books are published for each model year in which there are significant technical changes Electrical Guides Electrical Guides are published for each vehicle and model year as necessary The guides con tain complete vehicle wiring schematics control module pin out data and detailed information for the location and identification of the various components NOTES General Information Service Bulletins Service bulletins are published and distributed to update the J aguar dealer organization with the latest service information A quantity of bulletins specified by the dealer is mailed directly to the dealer service manager J aguar suggests that every technician be given copies of service bulletins Service Bulletins are categorized as Administration Bulletins and Technical Bulletins Technical bulletins contain the latest service information updates to specifications and repair procedures special repair procedures and other information that is directly related to the technical job of di agnosing and repairing the vehicle Administration Bullet
74. evel Memory 6 FM stations with Extra Memory X MEM 6 additional AM and FM stations Premium ICE system features standard on XJ12 and XJR Sedans AM FM Stereo e 240 Watt e Dolby Tape 9 Speakers CD Autochanger Memory 6 FM stations with Extra Memory X MEM 6 additional AM and FM stations NOTES Electrical Electronic Sedan Range ICE System 1991 1994 MY The ICE system fitted to vehicles from 1991 1994 MY is equipped with a radio security func tion that renders the radio inoperative if it is disconnected from battery power To restore operation the correct code for the radio must be entered when the radio is reconnected ad dition the preset and X MEM radio stations are stored in volatile memory When servicing these vehicles always assure that the radio code is available if the battery is to be disconnected Also always note the positions of all preset radio stations and X MEM stations before disconnecting the battery When the radio is restored to operation reset the radio pre set and X MEM stations ICE HEAD UNIT 1991 94 Pull BAL Push SCAN C TAPE IN SECURITY ee INTR 2 84 ICE system features AM FM Stereo 80 Waitt e Dolby Tape e Weather Band Security Coded Optional CD Autochanger Memory FM stations with Extra Memory X MEM 6 additional AM and FM stations
75. gement System AJ 6 4 0L Engine M anagement System Sedan Range 3 17 4 9 10 12 13 14 17 18 33 18 23 24 27 6 0L V12 Nippon Denso Engine Management System 28 32 6 0L V12 Lucas Marelli Engine Management System 33 35 Fuel Delivery Systems Chassis Lifting and J acking Suspension Ride Leveling Power Hydraulics Drive Train Power Steering Brakes Climate Control Nippon Denso Climate Control System Mark IV Climate Control System Occupant Protection Electrical Electronic In Car Entertainment ICE Vehicle Security Controls Electrical and Electronic Components Electrical Guides Vehicle Maintenance 36 39 40 53 40 41 43 44 45 46 47 48 49 50 53 54 61 54 57 58 61 62 65 66 79 66 67 68 71 72 75 76 78 79 80 Sedan Range Body Body Sedan Range vehicles were built on a common body through the 1995 MY For the 1996 MY the Vanden Plas and XJ 12 will be offered on along wheel base body Trim levels equipment and engine transmission packages define the individual models within the Range Model offerings and specifications vary by model year The J aguar Sedan Range for the 1995 model year con sists of four models XJ Vanden Plas XJ and XJ 12 For the 1996 MY XJ S and XJ will be standard wheel base vehicles while Vanden Plas and XJ 12 will be long wheel base vehicles The overriding priority in the design of the aguar Sedan Range body is quali
76. he XJ R S was a limited production high performance version of the XJ S available as a Coupe or Convertible in the 1993 model year Aggressive styling and enhanced performance and road holding were unique features of this special vehicle XJ R S COUPE INTR 3 06 NOTES Engine and Transmission Packages 5 Range Engine and Transmission Packages The XJ S Range uses the following engine transmission pairings Engine Transmission Model Years AJ 16 4 0L ZF 4HP 24 E9 1995 6 4 0L ZF 4HP 24 E9 1993 1994 6 4 0L Getrag 290 5 speed manual 1993 1994 V12 6 0L Powertrain Hydra M atic 4L80 E 1994 ON V12 6 0L Hydre M atic 400 1993 XJ R S V12 5 3L atic 400 1975 1992 NOTES XJ S Range Engine and Transmission Packages AJ 16 and AJ 6 Engine Transmission AJ 16 and AJ 6 Engines The AJ 16 and AJ 6 engines fitted to XJ S vehicles are virtually identical to those used in the Sedan Range with the exception of revisions to accommodate the installation AJ 6 engines are equipped with a separate engine oil cooler 16 4 0L ENGINE COMPARTMENT INTR 3 08 NOTES Engine and Transmission Packages XJ S Range Aj 6 4 0L ENGINE COMPARTMENT WE ft Hi Je Boel Ug NG 7 y STAV FR t N 4 5 EN AS 22 a
77. his proven design include NORM AL SPORT and DELETE FIRST modes Depending on the model year up to three transmission operating strategies are available to the driver Transmission operating modes are selected with the performance control switch located on the J gate NORMAL and SPORT modes operate as on the 1995 MY vehicles The DELETE FIRST mode provides a second gear start off to help prevent wheel spin in slippery traction condi tions If DELETE FIRST is selected when the transmission is in DRIVE the transmission will momentarily engage first gear before engaging second gear NOTES 13 Sedan Range Engine and Transmission Packages V12 Engine Transmission V12 6 0 Liter Engine The V12 6 0L engine delivers an unmatched combination of power and smoothness The engine iS arranged in the classic 60 Vee configuration that produces balanced power impulses V12 6 0 LITER ENGINE ae y Da TAARA HEX AN LAD Zo INTR 2 13 XJ 12 1995 ND EMS Configuration 12 Cylinder 60 Vee Valve gear One camshaft per cylinder head Two valves per cylinder Bore and stroke 90 mm x 78 5 mm Displacement 5994 cc Compression ratio 11 1 Maximum power DIN 313 hp 95350 rpm 310 hp XJ 12 1994 MY LM EMS Maximum torque DIN 353 Ib ft 3750 rpm 336 Ib ft Xj 12 1994 MY LM EMS NOTES 14 Engine Transmission Packages Engine Bloc
78. icle Refer to the vehicle Passport to Service or the Administration Bulletins in Section 4 of the Admin istration Bulletin Binder for maintenance schedules Jaguar also publishes Vehicle Maintenance Checklists for technician use in performing vehicle maintenance Service Intervals 1995 MY Every 7 500 miles Certain operations are specified at 30 000 52 500 and 60 000 mile intervals Certain operations are specified at 2 year intervals regardless of mileage 1994 MY Every 10 000 miles or 12 months Certain operations are specified at 30 000 and 60 000 mile intervals Certain operations are specified at 2 year intervals regardless of mileage Up to 1994 MY Every 7 500 miles or 12 months Certain operations are specified at 30 000 52 500 and 60 000 mile intervals Certain operations are specified at 2 year intervals regardless of mileage Maintenance operations can be grouped into services performed in the vehicle interior exterior under body and under hood engine compartment NOTES Contents Body Engine and Transmission Packages AJ 16 and AJ 6 Engine Transmission V12 6 0L Engine Transmission XJ 5 V12 6 0L Engine Transmission V12 5 3L Engine Transmission Engine M anagement Systems Fuel Delivery Systems Chassis Suspension Steering Drive Train Brakes Climate Control Systems Occupant Protection Electrical Electronic Controls Speed Control Electrical and Electronic Components Vehicle Security Vehicle Ma
79. ies hydraulic pressure for both rear suspension ride leveling and brake power boost The system uses Hydraulic System Mineral Oil HSMO POWER HYDRAULIC SYSTEM 1988 89 RIDE HEIGHT SENSOR RESERVOIR VALVE BLOCK RIDE LEVELING STRUTS BRAKE BOOST CYLINDER N n INTR 2 60 45 Sedan Range SEDAN RANGE DRIVE SHAFT INTR 2 61 INTR 2 62 46 Chassis Drive Train Drive Shaft The two piece drive shaft propeller shaft is supported on a center bearing Sliding splines at the center universal joint allow for engine and transmission movement Angular move ment is compensated for with a front universal joint at the transmission and a flexible com posite coupling at the final drive Axle Shafts Drive Shafts The axle shafts form the upper link of the rear suspension system and are connected to the rear wheels through a hub and carrier assem bly Disc brakes are mounted outboard Each axle shaft has two universal joints with grease fittings NOTES Chassis Final Drive The final drive unit is part of the rear suspen sion assembly It is not field serviceable Two versions of the unit are used with and without limited slip differential The limited slip differential ensures drive to both rear wheels in low traction conditions such as snow or ice Limited slip differentials POWR LOK are identified with a metal tag
80. ing and air injection A manifold absolute pressure sensor MAPS located in the ECM drives the various functions by applying inputs received from sensors and strategies stored in memory Zytek On Board Diagnostic System The ECM contains on board diagnostic capabilities which will activate the CHECK ENGINE MIL in the instrument pack and on the trip computer display DTCs are stored in non volitile memory DTCs can be accessed using the following procedure Switch the ignition OFF then ON The CHECK ENGINE MIL will light and the DTC will appear five seconds later If two or more DTCs are in memory only the highest priority code will be displayed The remain ing codes will be displayed in tum as the faults are corrected and erased from memory EMS diagnosis can be performed with a laptop computer and special Zytek software which displays dynamic system parameters oxygen sensor feedback TPS data and DTC information An engine set up routine is also included for setting the TPS throttle linkage checking ignition advance idle speed and ECM idle fuel trim The laptop computer and Zytek software are required in order to erase DTCs stored in memory Contact the J aguar Technical Hotline for assistance with XJ R 5 EMS diagnostics NOTES XJ 5 Range Engine Management Systems XJ R S V12 6 0L ENGINE MANAGEMENT SYSTEM SNOLLVDINNWINOD 191535 300 DLLSON5VIG iml SuilviH HOSN3S N39AXO 31nGOW 1OHLNOO
81. ins cover nontechnical service matters such as changes and updates to service programs tool and literature information training infor mation and general workshop administrative issues Service Bulletins are organized in their respective binders by subject matter Bulletins within each subject group are sequentially numbered so that they can be easily filed and any missing bulle tins will be easily identified In the example shown below the bulletin number is 1 58 Administration Bulletin Group 1 is for TOOLS AND EQUIPMENT The 58th Administration Bul letin issued in Group 1 was a list of Service Publications available from J aguar TYPICAL ADMINISTRATION BULLETIN HEADING ps ADMINISTRATION BULLETIN Service Publication Availability INTR 1 04 Administration Bulletins Group Subject 1 Tools and Equipment 2 Training 3 Warranty 4 Maintenance and PDI Schedules 5 Repair Operation Times 6 Workshop Administration 7 Recall Campaigns General Information 10 J aguar Service Literature continued Service Bulletins continued Technical Bulletins Technical bulletins are organized in two separate binders for ease of access One binder contains Technical Bulletins that apply to all XJ S vehicles and to Sedan Range vehicles through the 1994 Model Year The group numbering system is based on the Service M anual numerical index for those vehicles The second binder contains Service Bulletins that refer to
82. intenance Schedule XJ S Range 4 6 7245 8 11 12 13 14 15 16 19 20 21 23 P208 22 22 23 24 25 26 27 28 30 28 29 30 30 31 XJ 5 Range First introduced in 1975 the J aguar XJ S Range vehicles with their smooth and powerful V12 engine have eamed a unique standing in the world of high performance luxury automobiles The styling of the XJ S embodies the best of J aguar s sporting and luxury heritage Throughout its production run the XJ S has undergone steady improvement and refinement To the J aguar sporting line into the future in a highly competitive market a massive engineering and manufacturing effort was undertaken The end result of this effort was a series of high performance luxury vehicles which retained the classic J aguar XJ S personality and styling char acteristics with vast improvements to virtually every part of the vehicle XJ S Range 1995 AGUAR XJ S COUPE INTR 3 01 NOTES XJ S Range Body Body The general construction of the XJ S is similar to that of the Sedan Range with the same atten tion to body stiffness integrity corrosion protection and finish CONVERTIBLE X BRACES INTR 3 02 CONVERTIBLE 2 2 REAR SEATING INTR 3 03 Convertible The XJ S convertible is designed for strength and stiffness Over 150 new or modified body panels reinforce the vehicle with additional reinforcement to criti
83. ith the transmission and other vehicle systems and limp home capability Adaptive values and DTCs are maintained in memory by quiescent current If the battery is disconnected the ECM will releam the adap tive values during the next driving cycle DTCs can be accessed via PDU or J DS serial communication with the ECM or through the instrument pack LCD display When multiple DTCs are stored only the highest priority code is shown Fuel Injection Primary Control Primary fuel metering is a function of engine load and speed The fuel injection ECM receives engine load input from the single manifold absolute pressure sensor M APS located within its housing Engine speed information is provided from the ignition ECM Fuel Injection Secondary Control Secondary fuel injection control adjusts the injector pulses as necessary to compensate for the following engine operating conditions Engine cranking Engine coolant temperature Acceleration full load deceleration Battery voltage correction Closed loop Overrun fuel cutoff Engine overspeed control Wide open throttle during cranking NOTES 33 Engine Management Systems Sedan Range 6 0L V12 Lucas Marelli Engine Management System continued V12 LM TYPICAL ENGINE MANAGEMENT SYSTEM gt 11935 NOLLOZPNI Tana 590151539 3009 2 ONINHVA ANIDNA NOI
84. k The lightweight aluminum alloy block is fitted with replaceable wet type cast iron cylinder liners which form the inner wall of the cooling system Cylinder Head The aluminum alloy cylinder head supports the tappet block and camshaft A single camshaft for each cylinder head operates the parallel valves through bucket type valve lifters tappets The engine employs a high efficiency combus tion chamber that controls the movement of the air fuel mixture and allows the use of a high compression ratio This high efficiency HE design consists of in effect two cham bers As the piston rises during the compres sion stroke the mixture is compressed in the small chamber below the intake valve and swirled along a guide channel into the larger chamber below the exhaust valve where it is ignited The strong turbulence and squish ef fect produced by the two chamber design results in excellent air fuel mixing and even buming The net effect of this design is excel lent efficiency and fuel economy Camshaft Drive A single stage duplex double row chain drive from the crankshaft operates the cam shafts The crescent type engine oil pump is driven directly by the crankshaft NOTES Sedan Range V12 CYLINDER HEAD CUTAWAY 4 4 LEED INTR 3 13 CAMSHAFT DRIVE INTR 2 15 15 Sedan Range Engine and Transmission Packages V12 Engine Transmission continued V
85. l Electronic Electrical and Electronic Components Jaguar pioneered an electrical design concept developed to provide reliability performance and a level of vehicle function control that far exceeds anything possible with conventional electrical systems The refinements to this concept that are the result of constant improvements over the past decade have resulted in a vehicle that offers the highest level of customer convenience comfort and reliability Microprocessor Control Microprocessors and logic control modules CMs control the operation of most of the vehicle electrical functions Control modules can sequence the operation of electrical components based on system requirements For example one touch of a memory recall button can cause the driver seat steering wheel and mirrors to move to preset positions provided that other vehicle systems are within the parameters required for the memory recall function to operate safely Serial communication data links between control modules allow various vehicle systems to talk to each other and allow the technician to use JDS or PDU diagnostic equipment to diagnose and verify system operation and in some cases change the operating parameters of individual sys tems or components LOW VOLTAGE GROUND LINE SWITCHING MICROPROCESSOR OR LOGIC UNIT RELAY A BATTERY SWITCH e 4 VOLTAGE 9 gt POWER 5 VOLTS LOAD BK B LOGI
86. l mode prevents belt outward move ment Static reel mode is used to secure child seats To engage this mode pull the belt all the way out As the belt is fed back into the reel the ratchet prevents the belt from revers ing direction To reset to the normal mode allow the belt to fully retract which disen gages the ratchet The rear outboard seating positions are equipped with three point seat belts The two outboard seat belt retractors in 1995 MY Sedans also have a static reel mode to secure child seats and a normal inertia mode The retractors function as described above NOTES 64 Occupant Protection Passive Restraint Seat Belt System The passive restraint system is provided for the driver and front passenger The system consists of a two position adjustable diagonal seat belt fed from an inertia reel mounted on the inside seat slide The diagonal belt is con nected to a motorized runner on the upper door opening An independent lap belt fed from an inertia reel mounted on the outside seat slide connects manually to the anchor on the inside seat slide The motorized diagonal belts move to the restrained position when the respective front door is closed and the ignition is turned to position 2 or 3 The passenger belt operates with the seat empty Both belts move to the unrestrained position when the ignition is turned to position 1 or off If a front door is opened with the ignition in position 2 that belt wil
87. l move to the unre strained position In reverse with the drivers door open and the ignition in position 2 or 3 the belt remains in the restrained position If the inertia switch trips with the ignition on the belts will remain restrained and the doors will unlock An emergency release is provided on the shoulder end of the diagonal belt Inertia Switch Sedan Range PASSIVE RESTRAINT SEAT BELT SYSTEM INTR 2 82 In the event of impact the inertia switch shuts off all ignition switched circuits and the fuel NOTES 65 Sedan Range 66 Electrical Electronic Electrical Electronic In Car Entertainment ICE ICE Systems 1995 MY The 1995 MY ICE system does not require recoding if the radio is disconnected from battery power in addition preset radio station information is stored in nonvolatile memory It is not necessary for the technician to note the preset radio stations before disconnecting the battery to perform service Refer to the service literature or the vehicle owners literature package for complete ICE operating instructions ICE HEAD UNIT 1995 MY ON OFF TAPE IN PUSH INTR 2 83 Standard ICE system features AM FM Stereo 80 Waitt e Dolby Tape 8 Speakers Optional CD Autochanger e Automatic volume control raises the volume as road speed increases When the system is turned on the volume fades up to the preset volume l
88. lishes Vehicle Maintenance Checklists for technician use in performing vehicle maintenance Service Intervals 1995 MY Every 7 500 miles Certain operations are specified at 30 000 52 500 and 60 000 mile intervals Certain operations are specified at 2 year intervals regardless of mileage 1994 MY Every 10 000 miles or 12 months Certain operations are specified at 30 000 and 60 000 mile intervals Certain operations are specified at 2 year intervals regardless of mileage UP TO 1994 MY Every 7 500 miles or 12 months Certain operations are specified at 30 000 52 500 and 60 000 mile intervals Certain operations are specified at 2 year intervals regardless of mileage NOTES XJ S Range 31
89. live vehicles and actual components and the related practical knowledge required to develop a thorough understanding of the vehicle systems Each course is finely tuned and concisely pre sented to provide information and develop new skills that technicians can put to work when they retum to their dealerships Training courses are constantly being evaluated and updated to reflect the latest technology and answer the needs of the technician and the product The current roster of courses includes INTR Introduction to J aguar 100 Engine Repair 200 Automatic Transmissions 450 Chassis Steering Brakes and Alignment 600 Electrical System I 650 Electrical Systems II 701 Climate Control Systems 801 6 16 Engine Management OBD I OBD II 851 V12 Engine Management OBD I OBD II NP Product and Model Year Introduction PDU Portable Diagnistic Unit SP Specialized Courses NOTES General Information Registering for Training J aguar Service Training Schedules are published periodically The schedule shows the classes scheduled at all four J aguar Training Centers There are no geographical restrictions for partici pating in the training program dealers anywhere in North America may register their staff at any training center depending on space availability Enrollment is on a first come first served basis To register for training submit a Request for Enrollment to the attention of the Training Admin istrator at J aguar
90. mplete and comprehensive vehicle specific electrical and electronic information is available in the Jaguar Electrical Guides An index to all components Connector identification information Description keys to symbols and codes used in the guide Control Module identification and location Fuse locations and identification Relay locations and identification Component panel locations and identification Individual circuit wiring schematics Detailed control module pin out information NOTES Sedan Range 79 Sedan Range Vehicle Maintenance 80 Vehicle Maintenance The quality of the scheduled maintenance performed on a vehicle is a key factor contributing to the Jaguar owner s satisfaction with the vehicle Maintenance intervals are designed to allow inspection of the vehicle and the opportunity to spot potential problems before they occur Report potential problems to the service manager Early problem identification helps Jaguar to improve the product provides a source of additional work for the dealership and keeps the customer s Jaguar running at peak performance It is important that the maintenance service be thorough All required operations should be performed and the vehicle MUST be returned to the customer clean with the clock radio climate control and all other convenience items set as the customer left them Vehicle Maintenance Schedule Maintenance service intervals differ depending on the model year of the veh
91. n control switch Powered Seat and Mirror Memory 1993 1994 MY Vehicles from these model years are equipped with 12 way powered seats and powered mirrors A two position seat memory and the right side mirror dip function were optional on the XJ6 A driver seat entry exit function switch is located on the driver door switch pack Memory set With the ignition switched to position I or II adjust the seat and mirrors Press hold the memory button and the numbered memory recall button for 30 seconds or until it beeps to signal ac ceptance Memory Recall Press hold the memory recall button until seat movement stops Memory recall will function only with the driver door open and the ignition in position 1 or 2 Previous Model Seats Previous models were equipped with 8 way powered seats a driver seat entry exit switch and no memory function NOTES Sedan Range 73 Sedan Range Electrical Electronic Controls continued Windshield Wipers and Power Wash The windshield wiper and power wash controls are located on the right steering column stalk Operation is as follows Stalk position Result Stalk up 1 normal wipe Stalk up 2 fast wipe Stalk down 1 intermittent wipe road speed dependent Pull stalk single wiper sweep Press end in programmed wash wipe washers for 2 seconds wipers on for 2 seconds plus 3 sweeps Headlight power wash option Turn side lights on powerwash operates o
92. n every 1st and 6th cycle of the programmed wash wipe Speed Control Speed control is actuated from the right side control pod The system is electronically controlled em ploying an electrically driven vacuum pump to provide actuation power The speed control switches are located in the right side fascia pod Operation is as follows ON OFF RESUME switch Master switch Switches the system on and off RESUME switch Recalls the last set speed since the system was turned on Touching RESUME and releasing while under speed control returns the system to accelerator pedal con trol Touching RESUME again returns the system to the last set speed SET switch Press once while driving sets vehicle road speed Hold in while driving the vehicle accelerates until the SET switch is released The vehicle speed at release is maintained LIGHTING SWITCH 1995 MY LEFT AND RIGHT FASCIA PODS MASTER SWITCH INTR 2 87 74 NOTES Electrical Electronic Exterior Lights Sedan Range Exterior lighting controls are located in the left side fascia pod Operation is as follows Switch Result position OFF USA All exterior lights are off CANADA With the ignition OFF all exterior lights are off With the ignition ON the headlight low beams the parking side marker tail and number plate lights are on Position 1 USA The parking side marker tail and number plate lights are switched on CAN
93. nated when the system is off Pressing the TRAC switch again or restarting the engine will turn traction control on again When a drive wheel starts to rotate faster than the other the system applies brake pressure to the spinning wheel and reduces torque by regulating throttle opening via the throttle control actuator If cruise control is engaged it will be disengaged if traction control activates ABS TRACTION CONTROL THROTTLE ACTUATOR THROTTLE ACTUATOR _ 77 ACCELERATOR PEDAL INTR 2 70 NOTES INTR 2 71 52 Chassis Sedan Range Teves MK ABS 1990 94 MY The Teves MK II ABS system combines nor mal system operation power boost and anti lock braking The system uses an indepen dent electrically driven motor pump unit to pro vide both boost pressure and brake application pressure DOT 4 brake fluid is used for both power boost and brake application SEDAN RANGE TEVES ABS 1990 94 MY The MK II system uses three hydraulic cir cuits one to each front wheel and one to the rear wheels During normal operation the two front wheels operate conventionally via the master cylinder assisted by the hydraulic booster The rear circuit Is operated continuously by the con trolled pressure in the booster via the pressure reducing valve INTR 2 72 When anti lock is required the front circuits become dynamic as
94. o lower it To adjust reach push the switch forward or back An entry exit function moves the seat back and the steering wheel forward and up to ease entry and exit from the vehicle This function operates when the key is removed from the ignition or the driver door is opened When the key is inserted in the ignition or when the driver door is closed with the key in the igni tion the steering column and seat will return to their last memorized positions To stop steering column movement move the steer ing column control switch Automatic seat movement can immediately be stopped by touching the brake pedal or any seat control switch If the steering column switch is in the OFF position the entry exit function will not operate Previous Sedans employed a manually oper ated tilt adjustable steering column NOTES Sedan Range MANUAL TILT REACH STEERING COLUMN 1995 MY ADJUSTMENT LEVER REACH ADJUSTMENT LEVER INTR 2 65 MOTORIZED TILT REACH STEERING COLUMN 1995 MY INSTRUMENT DIMMER DUAL FUNCTION SWITCH INTR 2 66 MANUAL TILT ADJUSTABLE STEERING COLUMN PREVIOUS VEHICLES i a QN 7 INTR 2 67 49 Sedan Range Chassis 50 Brakes Jaguar was a pioneer in the use of the disc brake for automobiles and is still a leader with four wheel anti lock disc brakes throughout the Sedan and XJS Ranges Traction control is available on some S
95. ons before attempting to service the steering wheel or any air bag SRS components DRIVER S SIDE MECHANICAL AIR BAG e AIR BAG LOGO AIR BAG PROPELLANT IMPACT SENSOR IGNITER INTR 2 79 amp B 5 PASSENGER S SIDE MECHANICAL AIR BAG INTR 2 80 63 Sedan Range Occupant Protection Occupant Protection Systems continued TEAR LOOP SEAT BELT WARNING LABEL WARNING ATTENTION BUCKLE MUST BE REPLACED SEE DRIVERS HANDBOOK BOUCLE DOIT ETRE REPLACER VOIR GUIDE INTR 2 81 Rear Seat Belts Front Seat Belts The three point active seat belts utilize an adjustable shoulder anchor point Air bag SRS equipped vehicles utilize tear loop units on the air bag equipped position seat belts to reduce occupant chest loads in the event of a collision The tear loop unit is designed to absorb energy as the occupant travels forward into the air bag The tear loops are on the drivers outboard belt anchorage and the passengers seat belt buckle Do not inter change seat belts Use only the specified belt for the restraint system and position If the tear loop warning label is visible the belt as sembly must be replaced The front passenger seat belt retractor in 1995 MY Sedans has 2 operating modes The nor mal inertia mode allows the occupant freedom of torso movement while restrained The static ree
96. ook into the vehicle sys tem and guides logical diagnosis of complex problems J AGUAR DIAGNOSTIC SYSTEM J DS can also print out a trace which docu ments the diagnosis procedure A trace print out is required for waranty claims that include J DS diagnostic time Portable Diagnostic Unit PDU The J aguar PDU introduced in 1993 is the second generation computer based software driven diagnostic tool PDU communicates with vehicle systems through a single serial communications diagnostic connector The systems supported through serial communica tions on current vehicles include engine managemert transmission security instru mentation braking climate control and air bag supplementary restraints Systems not sup ported through serial communications are supported through directed diagnostics using PDU as a multimeter INTR 2 98 PDU s expanded capabilities small size and portability have proven a valuable resource in the hands of trained technicians As with all diagnostic aids both J DS and PDU require training understanding and knowledge of the vehicle system being tested to maxi mize their effectiveness INTR 2 99 NOTES 15 Contents Body Engine and Transmission Packages AJ 16 NA Engine Transmission AJ 16 SC Engine Transmission AJ 6 Engine Transmission V12 Engine Transmission Engine M anagement Systems AJ 16 Engine Mana
97. peed signal In case of vehicle impact the inertia switch will interrupt ignition power feeds which will cause the ECM to remove the ground from the fuel pump relay which in turn disconnects the fuel pump from battery power AJ16 NA FUEL PUMP CONTROL ENGINE CONTROL MODULE eO GROUND POWER ENGINE SPEED CRANKSHAFT POSITION SENSOR INTR 2 45 NOTES 36 Fuel Delivery Systems Sedan Range AJ16 Supercharged Fuel Delivery Twin in tank fuel pumps provide fuel pressure from the sealed fuel tank to the fuel rail Fuel tank ventilation is controlled by the evaporative emission control system EVAP A fuel pressure regulator maintains fuel pressure for the injectors and allows excess fuel to return to the fuel tank The two AJ16 SC fuel pumps are controlled separately The ECM provides a ground for the fuel pump relay 1 when the ignition is switched on and maintains the ground based on an engine speed signal The relay for fuel pump 2 receives its ground from the fuel pump control module The pump control module switches the fuel pump relay 2 ground according to engine speed to provide the additional fuel required for high speed operation The inertia switch will interrupt bat tery feed to the ECM in case of vehicle impact which will disconnect the relay grounds AJ16 SC FUEL PUMP CONTROL ENGINE CONTROL MOD
98. plished by ECM control of the period of time the fuel injectors are open injector pulse duration or time to supply fuel to the engine Various sensors provide the ECM with engine and vehicle operating condition data The ECM then calcu lates the amount of fuel the engine needs to provide the desired power while maintaining exhaust emissions within specified levels Fuel Injection Primary Control Primary fuel metering is a function of engine load and speed The ECM receives engine load input from the mass air flow sensor MAFS and engine speed input from the crankshaft position sensor CKPS These pri mary inputs are used by the ECM to select an injector pulse duration injector on time from one of 256 sites in its memory Fuel Injection Secondary Control Secondary fuel injection control adjusts the injector pulses as necessary to compensate for the following engine operating conditions Engine cranking Engine coolant temperature Acceleration Full load Deceleration Battery voltage correction e Closed loop Overrun fuel cutoff Engine overspeed control Wide open throttle during cranking Sedan Range AJ 16 FUEL INJ ECTION PRIMARY AND SECONDARY CONTROL ENGINE LOAD ENGINE SPEED ENGINE CRANKING ENGINE COOLANT TEMP ACCELERATION FULL LOAD DECELERATION CAMSHAFT POSITION INITIAL SYNCHRONIZATION CRANKSHAFT POSITION SYNCHRONIZATION ENGINE CONTROL MODULE FUEL INJ ECT
99. rides the automatic temperature control portion of the system NOTES 59 60 Climate Control Systems Mark IV Climate Control System continued Mark IV Climate Control System 1990 1992 MY MARK IV CLIMATE CONTROL PANEL 1990 92 MY FACE VENTS 5 V J OFAN MAN AUTO SCREEN humidity TEMP 35 9 INTR 2 77 NOTES Climate Control Systems Sedan Range Controls Numbers refer to the illustration at left 1 OFF The system is off Recirculation flaps are closed to prevent outside air from entering the vehicle LOW The climate control module CM controls blower speeds within the low speed range depending on temperature requirements MED The climate control module CM controls blower speeds within the entire soeed range depending on temperature requirements HIGH The blowers run at high speed only DEF The blowers run at high speed with full air flow and heat to the windshield 2 TEMP MODE switched to AUTO In car temperature is controlled to temperature selected MODE switched to MAN Vent outlet temperature is controlled to the temperature selected 3 SCREEN Demist air to the windshield with no change to air temperature 4 HUMIDITY ALL OFF Evaporator temperature is controlled between 32 to 32 5 F maximum dehumidification ONE DROP Evaporator temperature is controlled be
100. s recirculation and second ary air injection GEMS 6 The GEMS 6 Generic Engine anagement System 6 cylinder ECM features on board diagnos tics and adaptive functions and has a nonvolatile memory On board diagnostic and adaptive information is retained if the battery is disconnected Market specific differences in systems are programmed during manufacture through programmable electronic control units PECUS The VIN is recorded in the ECM memory NOTE Fuel metering and idle air adaptions cannot be field reprogrammed with PDU ECMs must not be switched from one vehicle to another On Board Diagnostics OBD II If an EMS related fault is detected by OBD monitoring or testing a fault is registered and reported to the Diagnostic Status Manager DSM ECM intemal software The DSM decides whether to flag a Diagnostic Trouble Code DTC and activate the CHECK ENGINE MIL Except in cases where EMS system operation would be seriously impaired a fault must be detected on two consecutive trips before the CHECK ENGINE MIL is activated There are over 100 DTCs to iden tify specific system faults If after the MIL is activated three sequential trips were made with no recurrence of the fault s and no additional fault s the M IL will extinguish on the next trip The fault s will remain stored in memory The DSM will erase any DTC that has not recurred in 40 consecutive engine warmup cycles Faults stored in the ECM memory can only
101. sition and the front and rear suspension height must be set with mid laden tools NOTES INTR 3 19 XJ S FRONT SUSPENSION COMPONENTS INTR 3 20 21 XJ S Range Suspension continued XJ S REAR SUSPENSION ASSEMBLY INBOARD REAR BRAKES INTR 3 21 Chassis Rear Suspension Axle shafts drive shafts form the upper link of the rear suspension system as on Sedan Range vehicles and utilize shims on the inboard side for camber adjustment Twin shock absorber road spring units are used for each rear wheel Steering A power assisted rack and pinion steering sys tem receives its assist from an engine driven pump The Dexron II D fluid is cooled with an extemal cooler Drive Train A single drive shaft propeller shaft has univer Sal joints front and rear and a sliding spline to allow for engine and transmission movement Final Drive All XJ S vehicles are fitted with a Powr Lok lim ited slip differential NOTES 22 Chassis Brakes The Rear brake arrangement on 1994 MY ON XJ S Range vehicles is identical to that of the Se dan Range XJ 5 rear brakes were mounted inboard on the axles through the 1993 Anti Lock Braking A Teves MK IV ABS system is fitted to XJ S Range vehicles beginning with VIN 198335 The MK IV ABS system is also used on 1995 MY Sedans as described on pages 50 and 51 of the Sedan Range section of this book A Teves MK A
102. suspension height must be set with mid laden tools to check vehicle alignment XJ12 Sedan The XJ12 suspension is of the same design with higher rate road springs and a larger anti roll bar with revised geometry NOTES FRONT VIEW INTR 2 54A amp B 42 Chassis Rear Suspension The rear suspension 15 two link design with the axle shaft acting as the upper control arm The final drive and rear suspension components are supported in a subframe which is isolated from the body with rubber bushings The road spring which is mounted between the upper shock absorber spring retainer and the lower wishbone is also iso lated from the body A separate road spring shock absorber assembly was fitted to the rear suspension of Sedan Range vehicles up to VIN 696859 early 1994 Rear camber is adjusted with spacers between the final drive output flange and the axle shaft inner universal joint Each axle shaft has two universal joints with grease fittings Toe is ad justed with an eccentric adjuster at the lower wishbone outer pivot Before VIN 687219 start of 1994 MY production the lower wish bone was fabricated and there was no rear toe adjustment SEDAN RANGE REAR TOE ADJUSTMENT 1994 MY ON INTR 2 57 Sedan Range SEDAN RANGE REAR SUSPENSION FROM VIN 696860 INTR 2 55 INTR 2 56 NOTES 43 44 Chassis Ride
103. then blended with heated air to control the vehicle environment MARK IV CLIMATE CONTROL PANEL 1993 94 MY 18 ln 27 30 mu INTR 2 76 NOTES 58 Climate Control Systems Sedan Range Controls Numbers refer to the illustration at left 1 LOW The climate control module CM controls blower speeds within the low speed range depending on temperature requirements MED The climate control module CM controls blower speeds within the entire soeed range depending on temperature requirements HIGH The blowers run at high speed only DEF The blowers run at high speed with full air flow and heat to the windshield 2 HEATED WINDSHIELD CONTROL optional If DEFROST 1 is selected the heated windshield is automatically activated If activated manually the windshield will switch off after 6 1 2 minutes unless switched off manually 3 DEMIST CONTROL Operates the defrost flap to provide air to the windshield with no change in air temperature 4 FACE LEVEL TEMPERATURE CONTROL Moving the slide up reduces the temperature of the face level air as compared to the footwell air 5 TEMPERATURE CONTROL Automatic Mode In car temperature is selected Manual Mode Vent outlet temperature is selected 6 A C MAX Maximum cooling and the highest blower speed ON Automatic temperature and blower speed control 7 RECIRCULATION CONTROL Shuts off outside air intake 8 MANUAL Over
104. tween 39 to 39 5 less dehumidification TWO DROPS Evaporator temperature is controlled between 44 8 to 45 2 F less dehumidification ECON The A C compressor is switched off 5 TEMP Temperature control 6 FACE VENTS The temperature of the two outside fascia vents is controlled Full left decreases the side vent temperature Full right increases the side vent temperature NOTES 61 Sedan Range Occupant Protection Occupant Protection Occupant Protection Systems Depending on the model year all Sedan Range driver and front passenger positions are equipped with active three point seat belts passive two point diagonal seat belts with separate lap belts or three point active seat belts combined with air bag supplementary restraints systems SRS The two outboard rear seat passenger positions are equipped with active three point seat belts The center position is equipped with a lap belt system Driver and Front Passenger Occupant Protection Systems Summary Model year Passive Restraints Mechanical Air Bag Electro mechanical Air Bag 1989 92 Driver and passenger 1993 Driver side 1994 Driver and passenger 1995 Driver and passenger IMPACT SENSORS ELECTRO MECHANICAL AIR BAG SYSTEM PASSENGER AIR BAG SRS DIAGNOSTIC MODULE SAFING SENSOR DRIVER AIR BAG INTR 2 78 62 Electro Mechanical Air Bag SRS This occupant protection system consists of an electromech
105. ty In addition to high quality six major objectives govern body design t should be aerodynamically efficient but the styling should remain unmistakably J aguar t should provide more interior space while maintaining exterior dimensions similar to previous J aguars t should be light and easy to manufacture with the highest quality of panel fit and accuracy Its structural integrity and quietness should continue to develop the J aguar tradition Its quality of paint finish should be outstanding t should offer the utmost in corrosion protection 1995 AGUAR XJ 6 SEDAN INTR 2 01 NOTES Engine and Transmission Packages Sedan Range Engine and Transmission Packages J aguar has chosen its engine and transmission designs carefully to provide the ultimate in refined performance smoothness and effortless driving The Sedan Range uses the following engine transmission pairings Engine Transmission Model 16 4 01 NA ZF 4HP 24 E9 XJ 6 XJ 6 Vanden Plas 1995 MY ON AJ 16 4 0L SC Powertrain Hydra Matic 4L80 E Xj R Sedan AJ 6 4 0L ZF 24 E9 XJ 6 Sovereign Vanden Plas Majestic 1990 1994 V12 6 0L Powertrain Hydra Matic 4L80 E XJ 12 NOTES AJ 16 NA Engine Transmission AJ 16 4 0 Liter Normally Aspirated NA Engine Engine and Transmission Packages The AJ 16 4 0L NA engine combines high performance with exceptional flexibility an
106. ure desired With the knob pulled out Maintains the vent out air at the desired setting regardless of the in car temperature 2 BLOWER CONTROL OFF Switches the system off and seals the vents LOW Low blower speed range variable depending on temperature differential between in car and requested M Automatically varies blower speed through a wide range blower speed reduces as the set temperature is approached HIGH Constant maximum blower speed DEFROST Maximum airflow at maximum temperature to the windshield all other controls are overridden 3 TEMPERATURE DIFFERENTIAL Adjusts the temperature difference between the face and footwell vents NOTES XJ S Range 25 XJ S Range 26 Occupant Protection Occupant Protection Occupant Protection System Summary Model year Active Restraints Passive Restraints Mechanical Air Bag 1988 89 Coupe Driver and passenger 1990 93 Passenger side Driver side 1994 ON Driver and passenger Air Bag Supplementary Restraint System SRS XJ S vehicles are fitted with a mechanically sensed air bag SRS which utilizes a self contained air bag module A three point tear loop style seat belt is an integral part of the system The mechani cally sensed air bag SRS system and tear loop seat belt is fitted to the driver side or both front positions depending on model year The driver side air bag is mounted in the steering wheel The passenger side air bag is fitted in the area previously
107. verage is reduced by one month mileage limitation remains 50 000 miles 12 500 miles wear parts and service adjustments New Vehicle Limited Warranty CANADA New vehicles and demonstrators 1985 2 years 60 000 km 1986 91 3 years 60 000 km 1992 ON 4 years 80 000 km D A P demonstrators All Full new vehicle limited warranty if held 6 months or less and company vehicles before retail sale For every month beyond 6 months coverage is reduced by one month mileage km limitation remains unchanged Emissions Design and Defect Warranty U S Federal vehicles 1980 94 5 years 50 000 miles Federal vehicles 1995 ON 4 years 50 000 miles catalytic converters and electronic emission control unit 8 years 80 000 miles Califomia vehicles 1980 89 5 years 50 000 miles California vehicles 1995 ON Short term 3 years 50 000 miles Long term 7 years 70 000 miles 13 General Information 14 J aguar Warranties continued Warranty Summary continued Warranty Type Model Years Coverage Emissions Performance Warranty U S Federal vehicles 1980 91 2 years 24 000 miles Federal vehicles 1992 94 5 years 50 000 miles Federal vehicles 1995 ON 2 years 24 000 miles California vehicles 1985 89 2 years 24 000 miles California vehicles 1990 ON 3 years 50 000 miles Emission System Warranty CANADA All vehicles 1985 ON 5 years 80 000 km Corrosion Protection Limited Warranty U S All vehicles 198

Sedan Range - JagRepair.com - Jaguar Repair Information Resource

Contents

Download Pdf Manuals

Related Search

Related Contents